Adenna White Paper/Blue Tinted Film 7-1/2" X 13 Sterilization Pouch (Box of 100) Process Indicators  Built-in internal and external indicators that change colors to confirm sterilization is complete. 7 1/2 x 13 inches (190 x 330 mm), 100 pouches per box Triple Seal, Triple Heat Process  The edges of the pouch are sealed by three separately heat-sealed rails, which is stronger than single sealed rail, to prevent separation or tearing by instruments. Blue Tinted Transparent Film  Easy viewing of instruments and identifying any punctures or tears should they occur. Medical Grade Paper  Durable medical grade paper, wet strength treated for high performance.