Band and high quality - High Wear- and excellent durability. Squat Wedge Blocks - These workout wedges enhance your squat performance by elevating your heels to appropriate height. Our squat wedge blocks are designed to protect us from injury while squatting. Give you better balance, improve your flexibility and protect you from injury. Adjustable Design - Each one has 2 blocks(one pair for each package). Size:15x12x5cm Stable And Squat Blocks Wedge - This squat fast has added stretch lines to increase the performance of the squat wedge up to 2,000 pounds and still maintain the original performance, ordinary materials. lighter than similar products, easy to throw in your gym bag and store away under your desk. Slant Board Calf Stretcher - Helps you deep squat and weighted squat, also can be used as an inclined plate for stretching before and after exercise. Relieves and prevents calf tightness and strains after exercise Material: EVA colour: black Package Contents: 8 x deadlift blocks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.