MIER 100% Waterproof Insulated Backpack Roll Top Soft Cooler Bag Hiking Beach Fishing Kayaking,30L/50L

Waterproof Roll Top Backpack --- Made of waterproof abrasion-resistant tarpaulin material. Hook & loop closure and roll-top with buckles, fully welded seams keep an airtight seal, ensure a 100% waterproof. Heavy-duty EVA reinforced bottom is very durable and keeps the bag upright. Sturdy enough, stopping water, rain, snow, or sand from entering and keep your gear dry during adventures at outdoors Leakproof & Insulated Cooler Bag --- Interior comes with thick premium thermal insulation and food-grade PEVA lining (BPA free), heat-welded seams and zipper-less design prevent the liner leaks. Airtight compartment prolongs the cool time. This soft cooler can keep the stuff cold/fresh for 12-24 hours subject to the content and working places Large & Deep Capacity --- Available in 30L/50L, 4 colors. The flexibility of the roll top is a big plus when storing larger items. Wide-mouth main compartment, large enough to fit more than 52 Cans (30L can fit 30 cans), 1 front mesh pocket