Estarer 35L Cooler Backpack Picnic Bag Waterproof Backpack with Bottle Opener for Camping, Hiking, and Beach, Black

["✿ Long-term cooling: Inside the cooler backpack is lined with a more durable PEVA lining, which extends the cooling time of food and drinks. When used with freezer packs, it can stay cool for 12-15 hours (duration depends on ambient temperature).","✿ Large capacity: Size: 34 * 21 * 46 cm, Capacity: 35 L, Weight 0.9 KG. The main cooling compartment is large enough for 30 cans (300 ml) or 20 cans (500 ml). Enough to cover your daily travel needs.","✿ Leak-proof function: The exterior of the backpack is made of tear-resistant and water-resistant high-quality 400D polyester fibers. The PEVA inner lining ensures that frozen items do not leak after thawing. Provide double protection for your cooler bag.","✿ Multiple compartments: 1* main cooling compartment for insulation to store beer or drinks, 1* top zipper pocket for fruit preservation, 1* front pocket for storing utensils/iPad, 2* side pockets for 2 bottles of beer and picnic blanket, shoulder strap equipped with a bottle opener and a mesh pocket for storing up to 5.5 inch mobile phones. Very easy and practical.","✿ Convenient to use: The breathable, padded area on the back of the cooler bag and the padding on the shoulder strap provide maximum comfort and portability. Whether you want to go to parks, beach trips, picnics, work, camping, or hiking, Estarer's ice bag is ideal for families and friends to enjoy outdoor activities."]