... .L.XL 4) OEM is accept specification Productbicycle coverMaterial190T.210t nylon/waterproof with uv protection and so onsizeS.m.l.xl ... ,rain,sand,dirt,etc.Strong,durable.Made fromPEVA,EVA,PE nylon or polyester...Waterproof,UV resistant.Fine sewing stitching.Size...pls ...