Package Information: you will get 8 pieces of walker ski glides, fit most walker feet glides; Sufficient quantity will meet your using needs, and you can share them with your family Reliable Material: these heavy duty coaster skis are made of plastic material, strong and durable, with smooth surface and fine workmanship, not easy to break or fade; Reliable material will you for a long time Easy to Use and Install: our drive walker parts are simple to use, they can be attached to most walkers, can be easily replaced and stored when not in use, which can give you good using experience Size Details: the plastic drive walker parts have proper size, the length is . 3.1 inches/ 8 cm, height is . 2 inches/ 5 cm, 1 1/8 inches/ 2.86 cm tubes; Please check the size before purchase Widely Applicable: you can use these walker accessories on various occasions, they are suitable for all kinds of floors and bricks, both outdoor and indoor; It is recommended that you change them regularly Colour:Gray Material:rubber Package Contents: 8 x walker ski glides 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.