Hike up to the perfect perch to enjoy a picnic with a view. Colent Cooler Backpack is made of waterproof oxford fabric and lined with PEVA material, which can keep your foods and drinks hot up to 4 hours and cold up to 8 hours. With a large zippered main pocket and a front pocket, it is convenient to classify items and take them freely. Two side mesh pockets for easy access to a water bottle or umbrella. Adjustable shoulder straps and ergonomic design with padded sections offer maximum comfortable. You can used it as a travel backpack, beach cooler backpack, hiking backpack, etc.