Sterile Soft Plug Extended Duration plugs are made from an absorbable copolymer of glycolic acid and trimethylene carbonate that last up to 90 days. Plugs are on foam cards and measure from 0.2-0.5mm in diameter and 2mm in length. Inserter not included. Manufactured by Oasis (part number #6400V). Comes two plugs per package, 20 plugs per box (1 pair 0.2mm, 3 pairs 0.3mm, 4 pairs 0.4mm, 2 pairs 0.5mm).