Top-quality Cloth Backing: Made with a heavy-duty, x-weight poly cotton backing that can be pressure washed and re-used Premium Aluminum Oxide Grain: Engineered for long life and withstanding heat and pressure generated by drum sanders Manufactured for Drum Sanders: Specifically designed and cut for easy installation on various drum sander models Versatile Grit Options: Available in grit numbers ranging from 36 to 220, with custom options for finer applications Heavy-duty Material: Premium plain-backed poly-cotton backing for even the most demanding drum sanding projects Optimized for Multiple Wraps: Up to 15 wraps on a 3-inch drum, providing excellent value and longevity