National Artcraft's stoppers are made from flexible white PVC plastic. These plugs are designed to fit into 3/4" round openings up to 3/16" thick. For the best fit, measure the diameter (the widest part of the opening) to the nearest 1/16 of an inch. A slight difference from the opening measurement ...

Our stoppers are made from flexible white PVC plastic and are designed to fit into a 1-1/4" round opening. The material thickness cannot be more than 3/16" thick.. These plugs are suitable for a variety of applications such as salt and pepper shakers and piggy banks. For the best fit, measure the di...

Made from flexible, red synthetic rubber. Designed to fit round openings 3/4" diameter and no more than 3/16" thick. The height of the plug from top to bottom is 1/2". For the best fit, measure your opening to the nearest 1/16 of an inch. A US company in business since 1949, National Artcraft is a n...