UNIQUE DESIGN - The squat platform consists of 3 incline plates: two 8.5-degree foam incline plates and one 17-degree foam incline plate. The stacked design allows for creating a pair of either 8.5-degree or 17-degree squat incline plates. HIGH QUALITY AND STURDY MATERIAL - The yoga wedge stretch slant boards for calf stretching are made of high-quality EPP environmentally friendly material, non-toxic, odorless, and waterproof. The foam wedge can withstand up to 440 lbs, designed for heavy use and strong pressure support. MULTI-SCENE USE - Slant board for calf stretching suitable for home, office, gym, yoga, stretching, and strengthening the feet and calves. Squat wedge block helps enhance muscle activation during exercise and improve lower leg strength. LIGHTWEIGHT & EASY TO TRANSPORT - The solid squat platform is lightweight and easy to carry, ideal for use at home, outdoors, or at the gym.