uxcell 8mm(OD) x 5mm(ID) PU Air Tubing Pipe Hose 10 Meter Blue 10M Product Name : Polyurethane Tube;Material : Polyurethane(PU), Metal, Plastic PU Outside Diameter : 8mm / 0.31";PU Inside Diameter : 5mm / 0.20" PU Wall Thickness : 3mm / 0.12";PU Total Length : 10M / 33Ft Main Color : Blue;Weight : 372g Package Content : 1 x Polyurethane Tube