30*50 (without core)

40*40 (without core)

45*45 (excluding core)

50*50 (without core)

30*50 (including 600g sanding feather velvet core)

45*45 (including 750g sanding feather velvet core)

50*50 (including 950g sanding feather velvet core)

30*50 (containing 350g non-woven core)

45*45 (containing 400g non-woven core)

50*50 (including 500g non-woven core)

30*50 (including 380g high elastic sanding core)

45*45 (including 500g high elastic sanding core)

50*50 (including 700g high elastic sanding core)