600D Polyester & 300D Ripstop Polyester with PVC backing. Main roll top zippered compartment with buckle closure and fully insulated P-EVA lining. Front zippered pocket and Dual side open mesh holders. Adjustable strap rings for holding some picnic mats. Comfortable padded and adjustable back strap with Two D rings for hanging essentials. Includes a removable heat sealed clear PVC protectors.