Kollea 30L Cooler Box with Cold and Hot Waterproof and 3 Exterior Foldable for Easy To and Soft Cooler Bag for Sports and Cherry Blossom Viewing

[4-Layer Insulation for Strong Cold and Warmth] The insulated bag features a three-layer construction including 1680D high-density Oxford fabric, 5mm thick EPE insulation, and a waterproof aluminum liner. The bottom also features a PVC board for added insulation. It's more abrasion-resistant than standard 900D materials, and its seamless hot-pressing process makes it water-resistant. It keeps food cold or warm for approximately 8 hours, making it ideal for outdoor activities and shopping. Lightweight and easy to carry: The 30L cooler weighs approximately 683g and is approximately 9cm thick (36.5 x 28.5 x 9cm) when folded. The 20L cooler weighs approximately 569.5g and is approximately 8cm thick (33 x 24 x 8cm) when folded. The honeycomb frame provides both lightness and durability. The shoulder straps are thick to reduce strain on the shoulders. When not in use, the cooler can be folded for compact storage. [Easy-to-Use Multifunctional Design] The Kollea cooler bag can be carried by hand, over the shoulder, or across the body. The shoulder straps are padded with cushioning and the sides feature non-slip grips. Three exterior pockets (front and mesh on both sides) conveniently organize small items. A small opening at the top allows for quick access to items without opening the entire cooler box. [Leak-proof and waterproof design] Voltage fusion technology creates a tight seal on the inner aluminum foil joint, maintaining cooling effects for a long time. It can be used not only as a lunch bag, but also as a temporary fish storage or water container. The outer oxford fabric is sturdy and durable, boasting excellent waterproof performance. The waterproof aluminum foil interior makes it easy to clean food debris and condensation with a simple wipe. [Useful for a variety of occasions] The 30L soft cooler measures approximately 36.5 x 28.5 x 29cm and can hold approximately 24 500ml PET bottles or 40 350ml cans. The 20L soft cooler bag measures approximately 33 x 24 x 26cm and can hold approximately 20 500ml PET bottles or 30 350ml cans. Made with materials suitable for outdoor use, it's perfect for a variety of occasions, including park leisure, BBQs, picnics, outdoor activities, camping, grocery shopping, cherry blossom viewing, fishing, sports days, short trips, watching sports, shopping, and as a lunch bag. The Kollea Cooler Box is a large-capacity, high-performance insulated cooler bag that is perfect for outdoor activities and everyday life. ・30L large capacity The spacious storage space is perfect for picnics and BBQs with family and friends. It can hold 24 plastic bottles or 40 cans. ・Highly efficient cold and heat retention Quadruple protection with waterproof aluminum foil, 5mm EPE cotton, 1680D Oxford cloth, and PVC plate keeps food hot for a long time. ・Leak-proof and waterproof design The aluminum foil joints are tightly sealed to maintain cooling effect for a long time, and the outer oxford fabric is waterproof and extremely durable. Easy to carry The padded handle and adjustable shoulder strap allow you to carry it over your shoulder and keep your hands free, and it easily folds up for storage when not in use. ・Multipurpose It is useful in a variety of situations, such as playing in the park, BBQs, picnics, fishing, shopping, etc. The quick access opening is especially convenient for quickly taking out items. Kollea cooler bags are perfect for a variety of occasions, including camping, playing in the park, BBQs, picnics, fishing, cherry blossom viewing, sports days, and more, and are a reliable companion for everyday life. The large-capacity, convenient Kollea soft cooler makes your outdoor life more fun and convenient!