300D Recycled Polyester; Modern style picnic backpack comes complete with two bento boxes with bamboo lids, two sets of bamboo cutlery (fork, spoon and knife) that conveniently slide into the bento box elastic closure, and two polyester napkins; Backpack has an exterior front pocket, interior elastic mesh pocket and two self-fabric side water bottle holders with drawstring cord lock toggle; Product Size: 10.63 W x 14.17 L x 4.92 D