UNIQUE DESIGN - The squat platform consists of 3 incline plates, two 8.5 incline foam incline plates and one 17 incline foam incline plate. The stacked design can form a pair of 8.5 squat incline plates or a pair of 17 squat incline plates. HIGH QUALITY AND STURDY MATERIAL - The Yoga Wedge Stretch Slant Boards for calf stretching are made of high quality EPP environmental friendly material, non-toxic, odorless and waterproof. The foam wedge can withstand up to 440 lbs. - made for heavy lifting and strong pressure MULTI-SCENE USE: Slant board for calf stretching for home, office, gym or doing yoga,stretch and strengthen the feet and calvesSquat Wedge Block helps to make your muscles more sensitive during exercise,improve lower leg strength. LIGHTWEIGHT and EASY TO TRANSPORT - The solid squat platform is lightweight and easy to carry Take outdoors, or to the Gym International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!