Expiration: one to two years from the purchase date; Sterile; Each box contains 5 pads of 6" X 6" adhesive (bordered) silicone foam dressings. The central pad ultra-absorbent-foam (4.15" X 4.15") is completely covered with fenestrated silicone and is 4.15" X 4.15". The foam and ultra-absorbent pad is not in direct contact with wound surface. Only fenestrated silicone layer is in direct contact with wound surface. High Quality Dressing. Features: -Very gentle on skin and wound -May reduce the risk of maceration -Provides moist environment for wound healing -Self Adherent (no secondary dressing needed in most of cases and situations -Physical barrier to infectious, dust and liquid contamination -Maintains its integrity during use - Low sensitization -Pain free removal with no trauma. The products is manufactured for and distributed by Areza Medical, Dallas, Texas.