Adopting strict production standards, this tire inner tube has exquisite workmanship and stable performance. You need not to buy a new tire because this tire inner tube can be a perfect replacement for the damaged inner tube. This inner tube is made of high-quality rubber, so it has good elasticity and high air tightness and can resist to heat and aging. The length of this tire inner tube is 21cm, the width is 21cm, and the height is 0.5cm. It is compatible for electric scooter, cart, lawn mower, scooter, replacement. Item Name: Tire Inner Tube Material: Rubber Model: 2.80/2.50-4, 2.80-4, 2.50-4 Features: Aging Resistance, Heat-resistant, Replacement Size Details: Size: 21cm x 21cm x 0.5cm/8.27" x 8.27" x 0.2" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Tire Inner Tube