... canvas. Varieties and specifications: 21 s / 2 x 2 ~ 21 s / 18 × 12; 10 s / 2 x 2 ~ 10 s / 9 x 6;A breadth of product ... , 5 x 10, 5 x 8, 5 x 6, 5 x 5, 4 x 6, 4 x 5, 3 x 5, 3 x 4, 2 x 3, 2 x 1 ... .5, etc. Tarpaulin specifications (m) : 20 "x 30 ... , 15 x 10, 15 x 8, 12 × 12, 12 x 10, 12 x 8, 10 x 10, 10 x 8, 8 x 8, 6 x 8, 6 x 4 ...