... '',38'',40'',45'',46'',48'',50'',54''. High-quality polypropylene jumping surface Trampoline balance board, stability board,balance disc, twist board,fitness ... for aerobic and cardiovascular workout routines for the entire family Trampoline Description: SIZE(cm) : 32"xH22.5, 36"xH22.5, 38 ... (40"HQ), 530(20")/1088, (40")/1076(40"HQ)T Trampoline