Anti-slip Design: The threads at the bottom of this high heel cap provide effective friction, can prevent you from being injured, slipping or tripping when walking on uneven surfaces.Protect Your Heels: The wide base stabilizes your heels without damaging the tips of your shoes. Walk with more stable and comfortable heels. Protects from grass, gravel, bricks and cracks.Reduce Click NoiseThese 12/18/21 pairs of clear heels for women are made of flexible PVC, which can mute the noise from your high heel shoes.EASY INSTALLATION: PVC caps fit most round and U-shaped heels. Tapered to gently contour your heel for a perfect fit. Non-adhesive, easy to slip on and off, and still won't slip when walking in heels.Good for walking on the grass: A good accessory for outdoor weddings, celebrations and parties; ideal for outdoor weddings, parties, graduations or any other event. Dance or walk safely on smooth or uneven surfaces.