The car detailing products bucket insert measures about 26 cm/ 10.24 inches in diameter, which is suitable for buckets with a diameter of 12 inches, or 3 to 5 gallon buckets; Please check the size carefully before ordering. Made from polypropylene, sturdy and lasting, not easy to break, deform or fade, serving you for a long time. Dirt Guard Insert with 5 finger holes for easy insertion and removal The product’s radial designed surface extracts particles such as dirt, grit, and grime from your wash mitt, providing a clean, scratch-free wash mitt, every time you go back to the bucket for water