16"x6.50-8,pu foam wheel,flat free.light and no need tube ... replace. lawn tyre pattern. popular flat free tire,also called pu wheel , flat free wheel . American Technology , High quality , ... light to handle .now suggest one size 16x 6.50-8lawn tyre pattern , big flat free tire .light ... including : 200x50,265x85, 3.50-4,3.50-6, 4.00-6, 3.50-8,300-8,325-8 ,250-4,500-6, 6.50-8 etcwelcome e- ...