Kingrol's 4 Pack Automotive Car Wash Bucket Insert Grit Trap Kits are designed to remove dirt and debris from microfiber mitts and cloths, keeping your cleaning solution cleaner for longer. Crafted from durable materials, these inserts measure approximately 10.24 inches in diameter and feature 5 finger holes for easy insertion and removal. Simply place one in the bottom of your 12-inch diameter or 3-5 gallon cleaning bucket, fill with cleaning solution, and watch as the grit trap captures dirt and grime at the bottom. Compatible with a wide range of cleaning tools, these inserts help ensure a spotless finish on your vehicle's exterior. With their practical design and reliable performance, Kingrol's bucket inserts are a must-have accessory for any car enthusiast seeking a pristine wash.