1.Tires 9x350-4 2.Strong and durable 3.MOQ:500 PCS Qingdao Shengfa Metalwork Co.,Ltd.My factory can supply you all kinds of wheelbarrow tyre and tube.Size: from 6" to 18".Please feel free to contact me to discuss the details and prices.(1)9 inch rubber tires 9x350-4 with turf pattern(2)Ply rating:2PR,4PR,6PR,8PR(3)Durable and strong Garden cart wheels tires 9x3.50-4