Kurio Cooler Backpack is perfect for showcasing your logo and boosting your brand awareness. Made of waterproof oxford fabric, EPE foam and PEVA to keep your food hot up to 4 hours and cold up to 8 hours. Top openning main pocket could easily put 24 cans of 11 oz. beverages or 12 bottles of 20 oz. drinks. Also comes with two front zipper pockets for plates or spoons, and two side pockets for umbrellas or bottles. Adjustable shoulder strap has a portable bottle opener, which is convenient for outdoor use. Suitable for going to beach, park, or mountains with this cooler backpack. Standard with Small size and premium with Large size available with additional charges.