Sterile collagen temporary implants are quick load and a variety of sizes: 0.2mm (18 plugs), 0.3mm (24 plugs), and 0.4mm (18 plugs). These implants swell 2 - 3 times their size upon insertion and dissolve within 7 to 10 days. Manufactured by Beaver-Visitec. Comes 60 implants per box, packed in to foam sleeves with 6 implants each.