wheelbarrow tire and inner tube 1,natural rubber 2,thicken tire and tube 3,all kinds for choose,from 6" ... inner tube 400-8Detailed specification size 400-8plying2PR/4PRpacking 20 pcs/bundlepatterndiamond,cross and so onApplication: WHEELBARROW, HAND TROLLEY, HAND CART, GARDEN MACHINE ... AND SO ON...Features:1), Strengthen quality: thicken tire and tube, good rubber rate, long ...