Welcome, this folding crutch no longer distinguish between large, medium and small, he combines three sizes, suitable for height 140-200cm 4' 5''-6' 5''. ?Foldable crutches? After folding, the size is only: 53cm 20inch, occupying a small space and easy to carry. ?Adjustable crutches? Ergonomic design, the arm rests are adjustable in 3 levels, the grips are adjustable in 8 levels, and the legs are adjustable in 13 levels. ?Aluminum crutches? Aluminum alloy material, strong and stable, light and portable, strong bearing capacity. product information: Name: Armpit crutches Material: aluminum alloy Size: 97-157cm 3' 1''-5' 1'' Scope of application: suitable for rehabilitation training, fractures, elderly walking assistance. If you have any questions during use, you can contact us and we will reply you as soon as possible.✓Aluminum crutches are equipped with comfortable underarm pads and handles, users will not feel tired after using for a long time. ✓The bottom foot cap has 3 turns of anti-slip thread design, which increases the grip of the crutches and prevents the user from slipping and causing secondary injuries. ✓The foldable crutches are only 53cm 20inch long after being folded, which is easy to carry and can be easily put into a backpack or trunk, saving space. ✓Adjustable crutches are designed with thickened aluminum alloy, light weight (0.9KG 2LBS), and strong load-bearing capacity of 200KG 440LBS. ✓Adult crutches have 3 adjustable levels for the armpit support, 8 adjustable levels for the grip, and 13 adjustable levels for the legs, which are suitable for people of different heights.