Cooler Backpack Insulated Leakproof, Large Expandable Waterproof Cool Bag Rucksack Thremal Picnic Backpack for Men & Women

Large Capacity & Expandable: This insulated cooler backpack has a maximum capacity of 40 litres, the top compartment features a unique folding expansion design that can extend by up to 27 cm, adding 17 litres of capacity, with maximum dimensions of 31 x 20 x 64 cm, it easily accommodates all the food and drink you need for your journey, when not in use, the top compartment can be folded away for easy storage Advanced insulation Technology: The YOUNGOA Cool Bag Rucksack features 8 mm foam insulation and an advanced silver PEVA seal, this advanced insulation technology keeps your food, drinks and other items at the desired temperature for up to 20 hours, ensuring they stay fresh all day long Waterproof & Leakproof: The 600D Oxford fabric and waterproof surface make this insulated backpack completely waterproof, whilst the leakproof zippers further enhance its waterproofing capabilities, the high-quality PEVA lining combined with heat-sealed seamless construction provides excellent leakproofing, and the leakproof zips ensure leak-proofing at the zip openings, ensuring every detail is covered Portable and Practical: The expandable compartment offers ample e for storing food and can be folded away for easy transport, the side pockets are ideal for drinks, whilst the front mesh pocket and zipped pocket are perfect for carrying small items and cutlery, the built-in bottle opener makes it easy to open bottles and cans, and these practical features ensure your journey is relaxed and enjoyable Comfortable Ergonomic Design: Adjustable padded shoulder strap allows you to adjust it to your liking without causing excessive strain, whilst the chest strap keeps it securely in place, the breathable fabric ensures a comfortable carry, and the ergonomic design makes your journey more comfortable