1, Aluminum Carabiner 2, Size:78*45mm Dia:8.0mm 3.Surface:zinc plated,nickel plated,chromium plated Aluminium Water Bottle carabiner1.Material:aluminium alloy2.Surface:zinc plated,nickel plated,chromium plated.3.Size:5mm,6mm,7mm,8mm.4.Packing:Carton Aluminium Water Bottle carabiner