Rockbros Backpack Cooler Leak-Proof Soft Sided Cooler Waterproof Insulated Product Features 100% Nylon ?LEAKPROOF WATERPROOF: Unlike ordinary bags with sewn zippers that easily leak cold air and water, ROCK BROS coolers are designed with airtight zippers to prevent loss of cool air, and effectively minimizes water leakage. Keep the cooler bag upright for best performance. T-shape slider and serrated zippers allow for smooth opening and closing. The surface and lining are made of double-sided waterproof fabric ?EXCELLENT COOLING PERFORMANCE: More than 48 hours extra long cooling insulation time under a 107 degree indoor environment, will keep the food fresh and drinks cool.The inner material of the soft cooler is high density insulation foam and the interior surface is waterproof TPU airtight zipper which can ensure the cool air stays in ?DURABLE SOFT COOLER: Made of leak resistant, durable fabric, best ultra-portable backpack with cooler for picnics, road/ beach trips, BBQ, hiking, camping, cycling, the perfect gift for men women ?LARGE CAPACITY COOLERS: 14.8" x 11.18" x 19.88" (L x W x H), Weight: 4.22 pounds / 1918g, can hold at least 36 cans with ice, about 20L, own enough space for all your day?s worth of drinks and food ?100% Satisfied Customer Service :If any issue or questions about our soft coolers, contact us anytime you want, we will be glad and pleasure to service you. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!