Pro-Ties Bundling System Blue 6/Pk by Zila SKU 682-1761AA 123 $20.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Made from 100% medical grade silicon that stretches up to 3 times its original size, Pro-Ties help simplify the process of bundling dental instruments for sterilization.