Features： 1、Wide Applicability: It has a wide range of applicability, suitable for hand held carts, lawn mowers, and scooters. 2、Manufacturing Material: Made of high quality rubber material, stable internal structure, strong flexibility, can fully meet the international standard air pressure. 3、High Performance: Higher safety performance than ordinary inner tube, and longer service life. 4、Safe Riding: Rubber inner tubes absorb vibrations on bumpy roads to ensure a comfortable and safe ride. 5、Diverse Features: It has good sealing performance, ozone resistance, anti aging, shock absorption and electrical insulation advantages. 6、Easy to Use: Without any difficult requirements even though you use it for the first time. Specification： Item Type: 2.50‑4 Rubber Inner Tube Weight: Approx.159g / 5.6oz Material: Rubber Valve: Bent Valve Wheel Specification: 2.50-4 Package List： 1 x 2.50-4 Inner Tube