Thick diving material, large capacity adult lunch bag, chloroprene rubber, cold and warm ice pack, insulated lunch box bag, portable

Parameters:
Model: FK-049
Material: Rubber
Capacity: 12L
Color: Gray
Style: Modern and Minimalist

This lunch bag, designed for adults, features a large capacity and is made of thickened neoprene. Made of neoprene, it can keep food in both cold and warm. It’s also suitable for use as an ice pack or insulated lunch box, making it portable. By combining material properties with functional design, it meets the needs of adults for daily lunch carry and food storage in various scenarios.

The thickened neoprene material is its core advantage. Made of 5mm thick neoprene (neoprene), it offers excellent elasticity and sealing properties, tightly enclosing items and minimizing heat loss. Its unique closed-cell structure effectively blocks heat transfer, and combined with the smooth, water-repellent inner layer, it creates a highly effective barrier to heat and cold. Tests show that at room temperature, it can keep food cold for 8-12 hours (when used with an ice pack) and warm for 6-8 hours. It provides a stable temperature environment for lunch, drinks, and other items, ensuring food freshness.

As an adult lunch bag, the large-capacity design perfectly suits the needs of adults. The interior features a three-dimensional expansion structure, measuring 23cm in height, 20cm in width, and 12cm in depth. It can accommodate one or two large square lunch boxes (total capacity approximately 3L), as well as tableware, fruit boxes, thermoses, and other accessories. The lack of unnecessary compartments maintains a cohesive interior, making it convenient for storing food containers of various sizes, meeting the daily storage needs of adults carrying lunch.

The neoprene material imparts multiple properties. In addition to excellent insulation, it also offers excellent abrasion and tear resistance. Its smooth surface resists stains and is easy to clean; even grease or dust stains can be restored with a damp cloth. The material’s excellent elasticity allows it to slightly deform with the shape of the contents, reducing internal movement, protecting the lunch box from tipping over, minimizing the risk of spills, and ensuring a secure fit when carried.

Its dual functions of keeping food cool and warm expand its use cases. As an ice pack, it can be used to store chilled drinks, fruit, salads, and more, keeping them cool in the summer. As an insulated lunch box, it can keep hot soup and rice warm, allowing you to enjoy them even in the winter.

Designed for portability, the bag is lightweight (approximately 300g), making it lightweight even when fully loaded. The top handle is adjustable, ranging from 15-25cm in length. Made of the same neoprene as the bag, the handle is soft and comfortable to hold, making it easy to carry with one hand. Select styles feature a detachable shoulder strap (60-110cm in length). This 3cm wide strap, made of a neoprene-woven composite, allows it to be worn cross-body, hands-free, making it perfect for commuting or on the go.

The details are particularly noticeable for adult use, and the overall design is simple and elegant. The color scheme is primarily calming, such as black, gray, and navy blue. Some styles incorporate simple stripes and contrasting edging, creating a discreet yet stylish design that blends in with a variety of environments, from office to outdoor. A hidden zippered pocket on the side of the bag can hold small items such as meal cards and keys, providing centralized storage and convenient access.

As an insulated lunch box bag, detailed attention to detail optimizes the user experience. The opening features a smooth zipper that closes tightly, reducing airflow and enhancing heat and cold retention. The zipper pull is compact and easy to operate with one hand, and opens and closes smoothly without any snagging. The thickened, wear-resistant bottom of the bag resists wear and tear, making it suitable for various storage locations, such as on a table or floor, and maintaining its overall stability.

The overall design supports adjusting details according to the target market, such as adding or reducing color combinations to adapt to different regional aesthetics, adjusting the shoulder strap length to meet different height requirements, optimizing the bag size to adapt to local common lunch box specifications, etc., to adapt to the usage habits and functional requirements of adults in different regions for lunch bags.