Grungebuster Black CD Mat

For top-loaders and Stable Platters only. This is a 4.25" diameter mat intended to be used over and over again, transferred from one disc to another, or kept full-time on a stable platter (turntable-like platter). It has no adhesive; you just place it on top of the CD or DVD, label side, and play (requires compatible puck or clamping mechanism to hold it in place). Made with unique silicone-based elastomer. .020" thick. Weight: 7.7 grams.