For Measurements look at pictures Please. Upgrade your office furniture with these replacement chair tips. They come in a pack of 100 with felt bottoms, ensuring that your floors stay scratch-free. The sleek black sleeve and folding design make them perfect for any style of office, especially if you're looking for a space-saving solution. These chair tips are compatible with most chairs, so you won't have to worry about compatibility issues. Improve your office chair's stability and prevent damage to your floors with these replacement chair tips.