Lowboz eliminates the potentially maddening noise of chairs, providing a more tranquil environment for family. Lowboz provides floor protection and prevents carpet dents and chair scratching. Easy to install; just push on & twist. No nails or adhesives required. Lowboz are tough; they stay on. Lowboz measure 2.5 inches in diameter and come 4 to a box, good for one chair. Made in the USA. * Easy to install; just push on & twist. No adhesive or tools required. * Installation diagram printed on color package. * Made in USA