Packaged in 5lb boxes, Castaldo® White Label are made of a high concentration natural gum rubber and come lined with a white cloth on one side and a blue plastic on the other.

White Label Strips are the most firm of the three natural gum rubbers that creates a strong, firm, yet pliable mold, making it great for all around use and simpler designs.

Strip Dimensions:  18″L x 2-7/8″W x 1/8"H