600D polyester with latex rubber backing|Huge insulated main cooler compartment with PEVA Lining and with protective baseboard|Fully padded backpack shoulder straps and tyre tread back panel|Two external drink bottle holders/coolers (bottles shown not included)|Elastic bungee cord for carrying additional items|Velcro wrap carry handle for comfortable grip|Rubber feet for added protection|Capacity: 34 Litres