High-quality Slant Board: This slant board is made of thickened PVC material, which has very good durability and stability. It has a non-slip design on the surface and bottom, ensuring your safety and comfort during use. Multi-functional Slant Board: This calf stretcher slant board can be adjusted to 9 different angles, from 10 to 45, with 5 increments. You can choose the suitable incline angle for your stretching and exercise needs, according to your flexibility and skill level. It can help you prevent and treat foot and leg related issues, such as plantar fasciitis, Achilles tendonitis, calf muscle tightness, and more. Fashionable and Beautiful Slant Board: This slant board for squats has a new design, which is more fashionable and beautiful than traditional slant boards. It has a curved shape, rather than a flat one, which can better fit your foot curve, increasing your stability and comfort. Convenient and Practical Slant Board: This slant board can be easily folded into a flat shape, making it convenient for you to store or transport. It has a size of 13.4"(L) x 12"(W) x 3"(H), lightweight and space-saving.