The final word in Felt Floor Protection - Shiffler's SNAP CAP. This unique design ensures there will be no more scuffs, scratches and black marks on your shiny vinyl, wood or tile floors. Quick, snap-on installation! Once on, kids can't pull them off. Just fit around your glide and snap the two halves together. Fits the most popular chair glide base sizes from 7/8" through 1¼". These chair glide caps feature heavy black felt fibers molded on a rugged, snug-fitting, silver gray nylon body. Now its possible to do a whole classroom in minutes! Sold in quantities of 100 - enough to do 25 classroom chairs or tables. It's a SNAP!