100% and high quality - High wear-resistant and excellent durability. Squat Wedge Blocks - These workout wedges enhance your squat performance by elevating your heels to an appropriate height. Designed to help protect against injury during squats, they provide better balance, improved flexibility, and added support. Adjustable Design - Each package includes 2 blocks (one pair). Size: 15x12x5cm. Stable and Durable Squat Blocks Wedge - Features stretch lines to enhance performance and support up to 2,000 pounds while maintaining structural integrity. Made from lightweight EVA material, it is lighter than similar products, easy to carry in your gym bag, and convenient to store. Slant Board Calf Stretcher - Assists with deep squats and weighted squats, and can also be used as an incline board for stretching before and after workouts. Helps relieve and prevent calf tightness and strains. Material: EVA Color: Black Package Contents: 2 * Squat Wedge Blocks Note: The package includes only the items listed. Other products are not included. Note: Lighting and monitor settings may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3cm.