1.factory direct sale 2.metal,(stainless steel, zin alloy opotion) 3.giant 4.ECO-friendly giant metal welded o ring1, wire thickness 7.0mm,width 47 mm2, Material: metal (zin alloy ,stainless steel also available)3, Eco-friendly electroplated 4, OEM & ODM 5, any color available6, Moq: 1000pcs7, Eco-friendly electroplate available8, free samples 9, any size available metal o ring for handbags