Tricam Farm and Ranch FR2321 Replacement Tire Tube for Wheelbarrows and Utility Carts, 16-Inch 16-Inch replacement tire tube Fits tires 16-inches in diameter and 6.5-inches Wide with an 8-inch rim Perfect for lawn and garden carts, wheelbarrows, hand trucks, air compressors and more Not for highway use Comes with a 1-year limited warranty