MelonBoat Non Slip Chair Leg Caps, Bar Stools Floor Protectors, Furniture Grippers Tips, 16 Pack, Round Dia 11/16 to 12/16 inch (1.7-1.9cm) vinyl CHECK SIZE: they fit round chair/stool feet diameter 11/16 to 12/16 inch or (1.7-1.9cm). Being clear, the caps are nice looking and are barely noticeable. Non slip / anti skid material prevent the chair / bar stools from sliding on the floor too quickly. They are thick and can protect your floors from scratching, including wood, hardwood, vinyl, laminate and tile floors. They are snug fit and won't fall off like other chair leg caps & socks, though seldomly you may need to soften them in hot water before apply.