· LEAKPROOF COOLER BACKPACK: With its advanced seamless hot pressing technique, the liner ensures maximum leak prevention. The high-density insulator material allows for up to 12 hours of heat retention· TWO COMPARTMENTS DESGIN: The large capacity picnic backpack with 2 compartments can hold up to 40 cans (330ml). The top pocket is ideal for utensils and snacks, while the bottom compartment is designed for drinks and fruits· FASTENING STRAP: The two side fastening straps with adjustable design fixes the bottles, allowing 2 bottles of wine to be placed on each side without falling out· CONVENIENT DESIGN: Bottle opener on the cool bag backpack strap makes it easy to open a drink. The extendable zip pocket for valuables such as tissues or mobile phones makes it easy to access and avoids thieves· VERSATILE FOR EVERY OCCASION: This soft-sided cooler can be used as a beer cooler, ice chest, backpack lunch bag for work, camping backpack, or a beach cooler bag. Backpack design is more convenient than traditional handheld coolers, ergonomic and padded shoulder straps greatly relieve shoulder pressure