Fabric: 420D nylon/pvc & 600D polyester/pvc Mini: 16"L * 9"W * 10"H SM: 20"L * 10"W * 11"H MD: 24"L * 12"W * 13.5"H LG: 28"L * 15"W * 16"H Feature: This collection offers 4 sizes choice; U-shape top zipper opening for easy access; Large front zip pocket and mesh side pockets with contrast color trim; Built tough with a reinforced shoulder strap which is padded, adjustable and detachable; heavy metal hardware; removable bottom board; pyramid gripper feet at bottom Available Color: Black/Black Grey/Black Roayl/Black Red/Black