The collagen plugs have a smooth proprietary finish that simplifies insertion of the plug. Collagen plugs are ideal for short-term, diagnostic, and post-surgical occlusion and are absorbable within 2-5 days. Plugs measure 0.4mm in diameter and 2mm in length. Insert with forceps. Manufactured by Oasis (part number #6504). Comes six plugs per package, 60 plugs per box.