Flex&Lock

What Flex&Lock does

Flex&Lock (주식회사 플렉스앤락) is a Korean consumer goods company that designs, manufactures, and sells flexible silicone-based household products, with two core lines: SilFreezer premium airtight silicone storage containers (capacities 300ml–2000ml) for kitchen/freezer/microwave use, and Flex&Lock Kids modular children's lunchboxes with interchangeable accessories. Its central technical differentiator is the proprietary "Clean Lead Design" — an interlocking silicone-and-ABS geometry that achieves leakproof compartment sealing without any rubber gaskets, eliminating the mold and bacteria growth points common in conventional food containers. The product is built from FDA-approved, BPA-free platinum-grade silicone rated for -50°C to 250°C and is certified under FDA (US food contact), CPSIA (US child safety), KC, and MFDS (Korea) regimes, with 100% Korean manufacturing.

The company operates a primarily direct-to-consumer model through its own Korean storefront (flexnlock.co.kr) plus English and Japanese storefronts, with international shipping to 100+ countries. Domestically it supplements D2C with selective channel partnerships — most notably 31 Lotte Mart cultural centers running cooking-class programs that gift Flex&Lock Kids to participants, and the Incheon city-operated E-mall. Product prices range from roughly 3,000 KRW for small accessories to 306,000 KRW for the 18-piece SilFreezer master pack, with free shipping above 50,000 KRW and a regular-delivery subscription discount option. Customer acquisition blends crowdfunding (a 2021 Kickstarter launch that drew interest from Korea, Australia, Canada, and the Netherlands), domestic PR (Kyunghyang Shinmun, ET News), Instagram and YouTube brand channels, a "FlexPams" community/rewards program, and trade-show presence at the Seoul International Early Childhood Education Expo.

Commercially, Flex&Lock is an early-stage, founder-led private company (founded 2019, headquartered in Seoul's Guro-gu, with a returns/operations address in Incheon Namdong-gu). Revenue is not disclosed and no external equity funding is recorded beyond product crowdfunding; the only named executive is CEO 김경선. Strategic intent visible in the data is to convert the Kickstarter-validated international interest into sustained D2C demand while using Korean retail partnerships (Lotte Mart cooking classes, Incheon E-mall, planned baby-specialty entry) as a domestic awareness engine, then expand the SKU portfolio from a single kids-lunchbox concept into a broader household silicone-storage brand.

Name

Flex&Lock

Legal name

주식회사 플렉스앤락

Website

https://flexnlock.co.kr

Company type

Private

Founded year

2019

Operating status

Operating

Short description

Flex&Lock (플렉스앤락) is a Korean private company that designs, manufactures, and sells FDA-approved platinum-silicone food containers and modular children's lunchboxes using its proprietary gasket-free "Clean Lead Design," sold mainly direct-to-consumer globally with select Korean retail partnerships such as Lotte Mart and Incheon E-mall.

Ownership category

akta.pro rank

Product category

Consumer Kitchenware & Food Storage

SIC

Plastics Products, Nec (3089)

akta.pro primary industry

Storage Containers & Bins Retail (Plastic, Glass, Modular) (CRAIAJAC)

akta.pro secondary industries

Food Storage Bags (Zip/Resealable) (CRAJAGAB), Safety-Proofed Organization & Child-Friendly Storage Solutions (HSAFAIAJ)

Keywords

• Silicone food containers
• Children lunch boxes
• Airtight storage containers
• Kitchen storage products
• Silicone tableware

Headquarters

HQ city

Namdong

HQ country

South Korea

HQ region

Asia

Offices2 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Personnel, Technology or R&D

Revenue model

1. Direct Product Sales (E-commerce): One-time product sales through owned e-commerce storefront (flexnlock.co.kr) with international shipping to global customers. Products include SilFreezer containers, Flex&Lock Kids lunch boxes, and accessories. Also available in Japanese and English language storefronts.
2. Retail Distribution: Sales through retail partners including Lotte Mart cultural centers (cooking class program) and Incheon E-mall (Incheon city-operated online shopping platform), as well as planned expansion into baby specialty stores.
3. Bulk/Wholesale Orders: Bulk purchasing option available for wholesale or corporate gifting needs, with dedicated contact email for inquiries ([email protected]).

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels7 records

Core offering

Flex&Lock manufactures and sells silicone household products under two main product lines: SilFreezer premium silicone airtight storage containers (ranging from 300ml to 2000ml) for freezer, refrigerator, microwave, and oven use, and Flex&Lock Kids modular silicone lunch boxes and feeding accessories for children. The products feature proprietary Clean Lead Design that creates leakproof seals without rubber gaskets, eliminating mold and bacteria growth points common in conventional food containers.

Product overview

Flex&Lock (플렉스앤락)은 유연한 실리콘 소재를 사용한 생활용품 개발 및 제조 브랜드로, SilFreezer(실프리저) 시리즈와 Flex&Lock Kids(키즈) 시리즈의 두 가지 핵심 제품군을 운영하고 있습니다. SilFreezer 시리즈는 300ml~2000ml 용량의 프리미엄 실리콘 밀폐용기로, 냉동/냉장/전자레인지/오븐 등 다양한 온도 환경에서 사용할 수 있습니다. Flex&Lock Kids 시리즈는 模块化 디자인의 어린이 도시락 제품으로, ABS 소재의 플렉스박스(케이스), 플래티넘 실리콘의 플렉스플레이트(식판), LSR 실리콘의 플렉스참(테마 액세서리), 스틸+ABS의 플렉스웨어(스푼포크)로 구성됩니다. 고무패킹 없는 밀폐 구조로 위생적이며, 플렉스참을 활용한 취향 맞게 꾸미기 기능을 제공합니다. 한국 내 생산으로 안전성을 확보하며 미국 킥스타터 펀딩을 완료한 글로벌 브랜드입니다.

Differentiator

Problem solved

Functional benefit

Brands

• Flex&Lock Kids: Children's silicone lunch box and feeding products line featuring leakproof, rubber-free design with modular accessories for customizable lunch solutions
• 실프리저 (SilFreezer)

Products and services

• SilFreezer Premium Silicone Airtight Container (실프리저 프리미엄 실리콘 밀폐용기) Premium silicone airtight storage containers available in 300ml, 900ml, and 2000ml sizes for use in freezers, refrigerators, microwaves, and ovens. Made of platinum-grade FDA-approved silicone with no microplastic concerns, sold to general consumers through e-commerce and retail channels.
• SilFreezer 6-piece Multi-Capacity Set (실프리저 용량별 6p 세트) Bundled six-piece set of SilFreezer silicone airtight containers in mixed capacities for organizing freezer storage and preserving freshness, designed for health-conscious consumers who want a complete storage solution.
• Flex&Lock Kids Lunch Box Basic Set (플렉스앤락 키즈 런치박스 베이직 세트) Entry-level Flex&Lock Kids lunch box set consisting of an ABS case (FlexBox) and basic FlexCharms accessories for young children. Includes color options such as pink and targets parents of young children needing safe, leakproof lunch containers.
• Flex&Lock Kids Silicone Lunch Plate Lunch Box 2-Compartment Set (플렉스앤락 키즈 내맘꾸 실리콘 식판 도시락 2참 세트) Modular children's lunch box set consisting of a FlexBox ABS case and a FlexPlate silicone plate that interlock to form 2-compartment leakproof lunch containers. Sold to parents of young children for daycare, preschool, or early elementary school meals.
• FlexCharms Theme Accessories (플렉스챔 테마 모음) LSR silicone theme accessories available in Toy World, Unicorn, and Dinosaur designs that attach to the back of lunchbox cases or spoon/fork cases, allowing children to personalize their lunchware. Sold to parents as standalone customizable add-ons for the Flex&Lock Kids product line.
• FlexWare Spoon and Fork Set (플렉스앤락 키즈 스푼 포크 세트) Stainless steel spoon and fork set designed for children, with FlexCharms attachments on the back that allow the utensils to be customized with themes. Sold standalone or in combo with lunch boxes, marketed to parents of young children.
• Kids Spoon and Fork Carrying Pouch (플렉스앤락 키즈 스푼포크 전용 케이스) Silicone carrying pouch specifically designed to store and transport the Flex&Lock Kids spoon and fork set, sold as a complementary accessory to the children's tableware product line.

Named customers2 records

Segments2 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered core and minor.

• KickstartercoreGTM or Marketing Partner · 6 April 2021Launched Flex&Lock Kids product on Kickstarter crowdfunding platform to reach global parents and validate market demand before full commercial launch. The platform enabled international exposure to parents in Korea, Australia, Canada, Netherlands, and other countries who expressed strong interest in the product.
• Lotte MartcoreChannel Partner/ Reseller/ DistributorPartnership with 31 nationwide Lotte Mart cultural centers for cooking class programs where Flex&Lock Kids products are featured, demonstrated, and gifted to participants. This partnership serves as a key on/offline sales expansion initiative and consumer education channel.
• Incheon E-mallminorChannel Partner/ Reseller/ DistributorFlex&Lock Kids products are sold through Incheon city's government-operated online shopping platform, providing access to local government employees and residents with potential preference for locally-connected brands.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• OmieBox: OmieBox is an early-stage US brand of compartmentalized kids lunch boxes with integrated thermos, marketed to health-conscious parents. Direct overlap with Flex&Lock Kids on compartmentalized bento design and parent-segment focus, though without silicone-seal innovation.
• PlanetBox: PlanetBox sells stainless-steel leakproof kids lunch boxes marketed on durability, safety, and zero-waste. Competes with Flex&Lock Kids for the same parent persona but on a metal rather than silicone platform — a meaningful adjacent comp.

Direct peers

• Zip Top: Zip Top makes reusable silicone storage containers and bowls positioned as plastic-free freezer-to-microwave solutions — directly overlapping with Flex&Lock SilFreezer on materials, BPA-free positioning, and freezer/microwave/diswasher use cases.
• Stasher Bag: Stasher is the leading global brand of platinum-silicone, reusable food storage bags and containers, sold DTC and through retail. Directly comparable to Flex&Lock's SilFreezer line on material (platinum silicone), temperature versatility, and health-conscious positioning.
• Bentgo: Bentgo is a leading US-based direct-to-consumer brand of leakproof, compartmentalized kids lunch boxes sold across major US retailers (Target, Walmart, Amazon). Direct overlap with Flex&Lock Kids on product format, target persona (parents of school-age children), and bento-style modular lunch concept.
• Yumbox: Yumbox sells leakproof, bento-style kids lunch boxes with compartmentalized trays, marketed to parents of preschool/early-elementary children — the same primary segment Flex&Lock Kids targets. Direct overlap in product mechanics and customer avatar.

Broad incumbents

• Sistema Plastics: Sistema is a New Zealand-headquartered global mass-market producer of plastic food storage and lunch boxes, sold at value-oriented retail worldwide. Overlaps with Flex&Lock in lunchware and food storage but competes on price rather than premium materials.
• Lock & Lock: Lock & Lock is a Korean-headquartered global category leader in airtight plastic/silicone food storage containers, distributing across retail and DTC worldwide. A broad incumbent that competes with Flex&Lock SilFreezer across overlapping retail and product formats at scale.
• Joseph Joseph: Joseph Joseph is a UK-based designer of innovative kitchen storage, lunchware, and food-prep products sold through premium retail worldwide. Comparable to Flex&Lock on premium positioning, design-led modular lunch solutions, and broad food-storage retail adjacencies.

Regional players

• Happylujia / Korean silicone homeware peers: Korean and other Asia-Pacific regional silicone homeware brands (e.g., Silikomart, Cookplay, and domestic Korean competitors on Coupang and Naver Shopping) compete directly with SilFreezer and Flex&Lock Kids in the same geographic retail channels, including Lotte Mart and Incheon E-mall.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/flexnlock_kr

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Flex&Lock