Description: 【Premium Butyl Rubber Construction】: Crafted from quality butyl rubber, this inner tube offers great air retention, aging resistance, and puncture protection, ensuring durability and reliability for your ATV or tractor 【Convenient Straight Valve Stem】: Equipped with a standard straight valve stem, this inner tube allows for easy installation and quick inflation using conventional air pumps(NOT Include) 【High Elasticity and Pressure Resistance】: Designed to withstand significant pressure and challenging terrains, making it ideal for use in farms, lawns, snowy areas, sand environments, and more 【Universal Fit for 8 Inch Rims】: This inner tube is designed to fit standard 8 inch rims effortlessly, providing a versatile replacement option compatible for most 8 inch wheel equipment available on the market 【Versatile Application Across Various Terrains】: Whether you're navigating through snow covered paths or sand trails, this heavy duty inner tube ensures optimal performance across diverse working conditions Specification: Material: Butyl Rubber Size Chart: 20.3cm/7.99inch Package Includes: 1 Inner Tube Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.