Polycarbonate; PVC, polyester lining Hinomoto 360 degree wheels Retractable bag attach strap TSA locks Expandable up to 12" Water-resistant zipper tape Butterfly opening U-zip flap includes one zip pocket and one frosted PVC zip pocket Detachable, compression flap with U-zip pocket and mesh pocket Four point compression straps Zip pouch for keeping small valuables Separate pouch set for dirty clothes, shoes, under garments, damp clothing Zipper styling Imported Carry-On Roller Suitcase by BÉIS in Yellow, Women's, Polyester/Mesh/Polycarbonate at Anthropologie