[Size Information]:Variety of u shapes heel protectors for shoes can be , such as round, square, U-shaped. --U Heel Protector set Includes 12 pairs of heel protectors in 4 sizes including XXS(7-8 mm), XS(9-10 mm), S(11-12 mm),M(13-14mm), each size has 3 pairs, enough . [Heel Protector]:High heel grass protectors are made of strong flexible plastic can prevent the high heel tips from wearing down, extends the life of your shoes. With heel protector caps, you can dance or walk safely on the soft or uneven road. []:Anti-Slip / Stop Clicking Noise / Walk on Grass / Save on Shoe Repairs / Prolong Shoe Life / Protect your Floor. [Wide Application]:The heel cap protectors heel covers are good for walking on grass; a good accessory for weddings, celebrations and outdoor parties; Ideal savers for outdoor weddings, parties, graduations or any other events. Dance or walk safely on soft or uneven surfaces. Color: Black Material: plastic Package Contents: 12Pairs x Heel Cap Protectors 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.