Scratch Guard® Quiet Feet™ Noise Reducers are durable, 3/16" thick, 100% polyester felt. Ideal for classroom chairs and desks, cafeteria and library tables and chairs - anywhere quiet is necessary. Reudces noise and vibration, saves wear and tear on floor surfaces. Creates a quiet environment for better listening. 1-1/4" dia. circles. Beige. 100/pack. Made in the USA.