... Performance to Yellowing, Aging, Abrasion etc. 100% of TPU 1,Air hose. 2,Different materials for your choice: rubber, PVC, PE ... , PU,PA 3,Size according to your requirementsThese Recoil Hoses stay neatly coiled when not in use, yet stretch to ... .b: Working pressure: more than 300PSIc: Medium temperature: -25 ~ +80oC Air Hose