-It is a reabsorbable lyophilized, highly-porous, porcine, collagen, hemostatic, and healing sponge (gelatin). -Pure pharmaceutical hemostatic sponge: 100% of lyophilized, porcine collagen (gelatin). -Light material: about 10 mg. -Absorbs 40-50 folds its own weight in total blood. -Reabsorbable in 15 days. Pack Contains: - 4 Sheets each 10pcs/sheet. **For further product information , please contact Chat support**