This super grippy silicone pad is perfect for keeping your spindle bowl from slipping and sliding as you spin. The honeycomb design gives it a stronger grip to keep even glass bowls from slipping. It works great on most any surface, including your knee - for spinners who like to keep their support bowl very close by. Made from high-grade silicone, it won't crack or chip and is dishwasher safe for easy cleaning. Measuring at just under 4" diameter, it fits perfectly into the to store together with your bowl.