Description: 【STRONG CONSTRUCTION】: The adjustable calf stretch wedge is made of quality PP and metal material, the triangular structure is stable without shaking or deforming. This ankle stretcher is ergonomically designed and is a very popular substitute to wood. 【15 ANGLES ADJUSTABLE & PORTABLE】: This inclined board for calf stretching has 15 adjustable angles, you can adjust the gears according to different needs. 15 angle adjustable calf stretch on incline helps to make your muscles more sensitive during exercise, helping you stretch properly. 【ANTI SLIP & MASSAGE】: The non slip rubber on the bottom 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, and the bumps provide a non slip and massaging effect. 【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 Size Chart: 28cmx28cmx4cm/11.02inchx11.02inchx1.57inch Package Includes: 1 Slant Board