Castaldo® Gold Label 3.17mm Mold Rubber Strip

This Castaldo® Gold Label® strip is a more pliable, natural rubber perfect for difficult patterns that might break in a stiffer mold. Castaldo natural mold rubber is made with a high concentration of pure natural rubber, making it pliable and durable. All Castaldo natural organic mold rubber products require a release agent. Castaldo®—known throughout the jewelry industry for performance, dependability and value—manufactures mold rubber trusted the world over. Sold in a 5-lb. pack.