1. made of oxidized aluminum tube 2. with the height adjustable 3. portable and foldable
1. made of steel powder painted frame 2. with ABS sleeping support board 3. backrest adjustable by gas spring from 0-75 degree 3. with 6 inches synchro central braking system castors 4 height adjustable range(by manual):650-920mm 5. size:1900*700*650/920mm