water jumper(1) Size(meters): 2.6 ~ 3.5m,all ... Material: polyether TPU 0.7mm or PVC plastic water jumper Specifications for zorb balls,grass walking balls,water balls,water walking ... some other relaxation centers,and they will bring much fun for people;(5) Competitive price. Plastic rollerSize: The wheel ... ball will sink in water, it's very dangers for the players. The new roller ball floats on water ...