Features 35L large capacity: 33x22x48cm (L/W/H) large, super large capacity offers enough space, offers space for 38 beer cans, but also more food and fruit. The super large capacity is definitely the best choice for a picnic insulated bag for 2-4 people in a family. Suitable for hiking, travel, camping, beach, camping, music festivals, outdoor activities and more. KEEP WARM AND KEEP FRESH UP TO 12 Hours: 4 layers of custom insulation layers, the outer layer is made of wear-resistant oxford fabric and a waterproof PVC layer, the middle is made of high density thickened 8mm foam, and the inner ice bag adopts hot pressed PEVA layer with seamless connection technology, which provides excellent leak-proof insulation performance. 8 MULTIFUNCTIONAL POCKETS: The backpack includes a cold-insulated main compartment, a top storage layer with zip, a lower front pocket for storing cutlery, a spacious top front pocket, and 2 side mesh pocket that can hold 2 litre drinks, a rear cell phone pocket and a mesh pocket. Multiple pockets can meet your needs for storing different items. Comfortable and practical design: the shoulder straps are equipped with a beer bottle opener and a buckle grid, and the adjustable chest buckle helps you reduce the pressure on your shoulders and back, and the night safety reflective strip can help you find at night or in the dark. Durable and portable design: it is made of lightweight, leak-proof, waterproof and easy to clean materials, and can be folded for easy transportation. Wear-resistant Oxford fabric material, durable and easy to clean. It is a good partner for picnic, camping, beach, music festival, cooling and insulation of lunch, camping, beach, travel, shopping in the supermarket etc. Product DescriptionDEWUR Cool Backpack 35L Thermal Backpack Cooler Bag Waterproof Picnic Backpack with Bottle Opener for Picnic Camping Beach Hiking Travel Shopping (Grey)