Description: 【STRONG CONSTRUCTION】: The adjustable calf stretch wedge is made of quality PP, EVA, rubber and metal material, the triangular structure is stable without shaking or deforming 【13 ANGLES ADJUSTABLE & PORTABLE】: This inclined board for calf stretching has 13 adjustable angles, you can adjust the gears according to different needs 【ANTI SLIP】: The non slip pad of the slant board ensures that the stretcher won't slip when used on any surface. The foot stretcher has a raised heel plate that locks the heel in place 【EASY TO USE】: No assembly required. Adjust the angle you want, gradually stand the calf stretcher, and you can do exercises like stretching 【PORTABLE】: This calf slant board is very flexible and can be used for office, indoor outdoor sports. This sports slant board is foldable for easy portability Specification: Material: PP, EVA, rubber, metal Size Chart: 32.5cmx28.3cmx5cm/12.80inchx11.14inchx1.97inch Package Includes: 1 Slant Board with Timer