Features 1Wide Applicability: It has a wide range of applicability, suitable for hand held carts, lawn mowers, and scooters. 2Manufacturing Material: Made of high quality rubber material, stable internal structure, strong flexibility, can fully meet the international standard air pressure. 3High Performance: Higher safety performance than ordinary inner tube, and longer service life. 4Safe Riding: Rubber inner tubes absorb vibrations on bumpy roads to ensure a comfortable and safe ride. 5Diverse Features: It has good sealing performance, ozone resistance, anti aging, shock absorption and electrical insulation advantages. 6Easy to Use: Without any difficult requirements even though you use it for the first time. Specification Item Type:2.504RubberInnerTube Weight: Approx.159g / 5.6oz Material: Rubber Valve: BentValve Wheel Specification: 2.50-4 Package List 1 x 2.50-4 Inner Tube