Sac isotherme portable multifonctionnel de grande capacité pour pique-nique, boîte à lunch, sac à bandoulière

Portable lunch bag, with multi-functional design to adapt to daily meal and picnic scenes, large-capacity space to install meal equipment, ice bag material to achieve double effect of heat preservation and cold preservation, can be crossed with one shoulder back method is flexible and convenient, is a practical and beautiful life goods, making it easier to bring meals and picnics. The design focuses on "scene adaptation" and "convenience". The body of the bag is cut in a three-dimensional square, with simple and neat lines. The colors cover fresh arons, classic black, white and gray. Some styles are printed with interesting patterns, taking into account the low-key atmosphere of daily commuting and the atmosphere of picnicking. The core highlight is the "flexible back method": equipped with adjustable wide shoulder straps, the shoulder back is light, suitable for daily commuting to and from work; the crossbody back is more stable, freeing hands, easy to carry other items, and the shoulder strap can also be disassembled into a handbag to meet different usage habits. Large capacity and thermal insulation function full: the main bag has ample space, can accommodate 2-3 people for lunch boxes, tableware, and fruits. The inner side is equipped with an independent compartment, which can be classified to store sauce bags and wipes. The outer side is equipped with a zipper bag for easy access to paper towels and keys. It adopts a multi-layer thermal insulation structure, the inner layer is made of food-grade aluminum foil, and the temperature lock effect is good. It keeps cold for 6-8 hours in summer and 4-6 hours in winter. It is matched with a waterproof Oxford cloth outer layer, which is wear-resistant and anti-manufacturing. It is slightly splashed and impermeable to protect the meals in the package. Collocation and scene adaptability are strong: daily meals with commuter clothes, simple lunch bags show competence; weekend picnics and casual clothes, high-value design adapts to outdoor atmosphere; even for short trips, snacks and drinks can be loaded, practical and convenient, truly realizing "one package of meal needs, taking into account multi-scene use", becoming a practical single product to improve the convenience of life.