1)Material : pvc, environmental 2)Mainly used for stethoscopes 3)Any color 4) Any logo is ok 5)Well elasticity Features:1)Material : pvc, environmental2)Function:Mainly used for sphygmomanometer3)Color : all colors are available4)any logo is ok5)Keep its shape,lasting elasticity,soft and durable6)We can also make upon customers' orders PVC tube for stethoscope