Spacious storage With dimensions 30 x 15 x 44 cm, this picnic backpack cooler provides ample space to store your essential picnic items such as plates, utensils, snacks and drinks. The roomy design helps you keep everything organized for a stress excursion. Effortless support Ergonomic shoulder straps deliver support and weight distribution, making it easy to carry your picnic backpack without strain. Suitable for everyday use on hikes, park trips, or daylong outings. Temperature control The advanced insulation system includes a heating box that maintains a stable temperature, helping keep meals warm and drinks cold. This design offers reliable temperature control and insulation for outdoor moments. Durable and leakproof Constructed from waterproof oxford cloth and fabric, the bag helps prevent accidental leaks and keeps your gear dry. The design supports tidy outings, even in damp or rainy conditions. Practical and versatile Compact and sturdy, the backpack is designed for reliable outdoor use while staying easy to store in a car, on a bike rack, or at a campsite. It combines function, size, material and performance for everyday picnics and short trips. Use scenarios Park or lakeside picnic with family: pack sandwiches, fruit, utensils and drinks in one organized bag, easy to carry with comfortable straps. Day hiking or trail outing: bring light snacks and beverages, with temperature control to keep items fresh. Beach or outdoor event: waterproof exterior helps protect contents from splashes and light rain while keeping items dry and ready to use.