eBay

Made from fast cutting silicon carbide that is bonded on both sides for double life. The open mesh screen allows sanding dust and particles to pass through, reducing clogging. The premium double resin bonding system resists heat and is waterproof for wet or dry sanding.

Use 120 and 150 grit for moderate sanding and blending of compounds
For use on drywall, plaster, varnish, fiberglass, paint and metal
The open mesh allows dust and particles to pass through to reduce clogging
Dual-sided abrasive surfaces for longer life
The waterproof screen can be rinsed clean with water and reused