Product_description: ['Our high-quality rubber stoppers are soft, non-greasy and have a durometer of 45. They are sold in a case of ten one-pound packs. These stoppers are size 0 and are drilled with one hole. Size 0 stoppers have top diameter of 17mm, a height of 25mm, and a bottom diameter of 13mm. Approximately 80 size 0 stoppers are included per one-pound pack.', 'Unique 3-ply downward fold design provides an exact fit, better protection and eliminates pooling while meeting all ASTM F2100 safety standards. Nosepiece is manufactured into facemask folds, creating a lighter, softer more comfortable fit. Longer, rounded earloop design will not pull or irritate ears. They are fluid resistant, free of natural rubber latex, fiberglass-free, odorless and non-irritating.'] (Page 1)