ABS environmentally friendly material, tasteless, durable, easy to clean and non-deformable. 4-position adjustment helps to make your muscles more sensitive during exercise, helping you to stretch properly and reduce the chance of injury. Also contributes to the recovery of X-shaped legs, O-legs, plantar fasciitis, tendon injuries, calf strains and other ankle pains. Textured surface to preven-t slipping. Suitable for home, office, travel and indoor outdoor sports. Portable and easy to assemble, ready to use. Features: ABS environmentally friendly material, tasteless, durable, easy to clean and non-deformable. 4-position adjustment helps to make your muscles more sensitive during exercise, helping you to stretch properly and reduce the chance of injury. Also contributes to the recovery of X-shaped legs, O-legs, plantar fasciitis, tendon injuries, calf strains and other ankle pains. Textured surface to preven-t slipping. Suitable for home, office, travel and indoor outdoor sports. Portable and easy to assemble, ready to use. Specification: Item Type: Calf Stretcher Material: ABS Size(about): 30.5x27cm Product Load: about 75kg Product Gear: 4 gear positions Package include: 1 Pc x Calf Stretcher Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.