PACK OF 2 (two) Firestone Farm Tractor Implement Tire Inner Tube TR 15 Rubber Valve 15" Fits 4.00-15 4.00x15 5.00-15 5.00x15 400-15 Set of 2 (two) inner tubes Perfect for fixing flats without replacing the tire. TR15 valve stem Fits on a 15 inch rim sized tire - review sizing closely