Good material: durable heel caps made of flexible PVC plastic, provides long applying life; high heel caps can reduce the noise of high heels Functions: this heel caps can be applied to prevent the high heel tips from wearing down; This high heel caps can repair worn heel tips or replace the worn heels Anti-slip design: this high heel cap replacements with threaded in the bottom can provide extra traction and friction to prevent you slipping or tripping Reduce noise: these shoe repair caps are engineered to minimize clacking sound on your high heels, you will not worry about walking sound while in some quiet places Size and shape: Comes with 4 different sizes: extra small, small, medium and large, each size has 2 pairs. Fits most heel shapes, including U-shaped, round, triangle, and square. Note: X-Small size is for heel width 7-9 mm Small size is for heel width 9-11 mm Medium size is for heel width 11-13 mm Large size is for heel width 13-15 mm With a yarn bag. The yarn bag's color is random, don't accept the specified color. Material: PVC plastic Color: black Package Contents: 2 Pairs * extra small high heel caps 2 Pairs * small high heel caps 2 Pairs * medium high heel caps 2 Pairs * large high heel caps