funny ball

180*90 suitable for stool position 180*130 [suitable for small single seats]] 180*150 [suitable for standard single seats]] 180*180 [suitable for large single seats]] 180*200 [suitable for large single seats]] 180*230 [suitable for double seats]] 180*260 [suitable for large double seats]] 180*280 [suitable for wide double seats]] 180*300 [suitable for small three people]] 180*320 [suitable for small three people]] 180*340 [suitable for standard three-seat]] 180*360 [suitable for three people]] 180*380 [suitable for small four people]] 180*400 [suitable for small four people]] 180*420 [suitable for standard four people]] 180*440 [suitable for standard four people]] 180*460 [suitable for senior four]] 180*480 [suitable for standard five people]]