Gallery Blue AKA OCEAN BLUE 16 Gauge Stainless Steel No Rust No Corrosion Patented Design Snow Guard EPDM Rubber Seal with No Caulk Needed... Also Known as Sno Defender, Snow Gards, Birds, and Jacks. Stainless Steel...No Rust....No Corrode Amish Handmade in The United States Patended Design Snow Guard Purchase 1 or 2000 Case Quantity is normally 100 EPDM Rubber Seal...No Caulking Needed...Save Money and Mess