Through Authenticate 
1.lighetweight, rust-free aluminum construction
2.blow-molded plastic seat and backrest
3.Removable backrest and legs
4.Easy to assemble without any tools
5.it could be shower chair or chair 6.Height adjustable from ground to backrest : 81~91 cm
7.The distance between right-and –left leg tubing : 57~61 cm
8.The distance between right-and –left armrest tubing: 61~66.5 cm
