Come and see our amazing products. The innermost layer is made of PEVA liner, which is waterproof, moisture-proof and heat-insulating. The outermost 600D oxford fabric, durable, the middle pearl cotton shockproof, reduce heat loss, excellent thermal insulation effect. Roomy enough to pack meals, beer, snacks, tall beverages, towels and all your other necessities. Perfect insulated backpack for lunch cooler, hiking, camping, beach, road trip, outdoors etc. Portable, double shoulders, widely used for outdoor picnics and daily meals. Add your company name or logo for maximum visibility. Make your next promotion a winner. Pls confirm with us about the packing info, stock color and exact production time before placing your order.