[Convenient assembly] The assembly content is less, the package contains the assembly instruction, one person can assemble.[Purpose] Rehabilitation training or sports training caused by lower limb injury, can use the balance frame to help movement and relieve the condition.[Height adjustment] The product has the function of adjustable height, both adults and children can be supported.[Package size] Package size is 30.12*28.15*3.54(inch) GW/NW: 26.01/22.93[Palm protection] The grip is equipped with a sponge wrap to reduce the fatigue of the palm in long-term use.