Through Authenticate 
1.lighetweight, rust-free aluminum construction
2.U-shape PE seat for easy to clean.
3.K/D design .Removeable legs and backrest, no tools require when assemble
4.convenient and easy to carry
5.Height adjustable from ground to seat: 74~84cm
6.The distance between right-and –left leg tubing :47~51 cm
7.material:blow-molded plastic seat and backrest
