1.6*0.75（米）指座套尺寸。
1.8*0.85（米）指座套尺寸。
包括：座套1个、扶手2个、头套1个。

Specification:1.6*0.75(m) refers to the seat size

                         1.8*0.85(m)refers to the seat size

Lncluding:1seat, 2the handrail seat,thead