The Yes4All Ankle Calf Stretcher is an equipment designed for improving mobility and preventing injury. It is made of rubber material and can withstand up to 450LBS. The slant board is perfect for gym and training activities. The stretcher is available in size None, with a height of 397, length of 146, and width of 78. It comes with a package height of 86, length of 436, and width of 189. The style of the stretcher is perfect for balancing trainers.