• [Scientifically Designed Wooden Slant Board] Our calf stretcher features a foldable design. A full-coverage PVC sandpaper top and a non-slip EVA base provide better grip Compatible with preventing slipping during exercise and use. • [5 Adjustable Angle Calf Stretch Boards] The balance calf stretcher is suitable Compatible with beginners and experienced exercisers and a variety of body types Compatible with providing variety and challenge to a workout program. • [Wooden Mobility Board] The slant stretcher helps you stretch your calves, Compatible with improving circulation and supporting the recovery process. • [Easy to Carry, Portable Slant Board] Our calf stretcher, called a mobility board, is ideal Compatible with calf stretching, yoga, and so on. You can use this calf stretcher with one or both feet at the same time. It is easy to carry and you can take it to the office, home, gym, clinic, and physical therapy room Compatible with using it. We also have a special exercise guide Compatible with different movements Compatible with helping you use the stretch and mobility board correctly and avoid injuries! • [Brand Service Slant Board] Our squat slant board set includes 1 wooden slant board, 1 exercise poster, and 1 instruction manual. If you have any questions about our ankle stretch board, please feel free to contact us.