Description: STRONG & DURABLE CONSTRUCTION: The adjustable calf stretch wedge is made of high quality wood material, the triangular structure is stable and can withstand up to 150kg without shaking or deforming. This ankle stretcher is ergonomically designed and is a very popular substitute to wood ANGLES ADJUSTABLE & PORTABLE: This inclined board for calf stretching has adjustable angles, you can adjust the gears according to different needs. ANTI SLIP & MASSAGE: 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 & CARRY: 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 is foldable for easy portability. Specification: Material: Wood Size Chart: 36cmx30cm/14.17inchx11.81inch Package Includes: 1Wooden Slant Board Note: Please allow slightly errors due to manual measurement and different monitors.