Features: Multi-scene Use: Slant board for calf stretching for home in the office in the gym or doing yoga stretch and strengthen the feet and calves. Useful: foam wedge slant board for stretching to help recover and prevent plantar fasciitis Achilles tendonitis relief heel spurs shin splints Achilles tendon injuries shin splints calf strains and other foot and ankle injuries and pain. Material: slant board for calf stretching uses EPP environmentally friendly materials that are non-toxic odorless waterproof and oil-proof recyclable and almost no performance degradation. Squat Ramp: These Workout Wedges Enhance Your Squat Performance By Elevating Your Heels to Appropriate Height Give You Better Balance Improve Your Flexibility and Protect You from Injury. After-service: If you have any questions after receiving the product please feel free to contact us and we will provide you with a satisfactory answer. Specification: Material: TPR Size: 31*9*6cm Weight: 622g includes: 1 * Squat Ramp "