1"  Specifications of SBS finished products are asfollows:Nylon Zipper: 3#, 4#, 5#, 7#, 8#, 10#metal Zipper: 3#,3.5#, 4#, 4.5#, 5#, 8#, 10#Plastic Zipper: 3#, , 5#, 8#, 10#, 20#,30#Invisible Zipper: 3#,4#,5# 2"  Quality characteristicsof SBS products:NICKEL FREE (Slider or metallic parts are NICKELfree)NO LEADAZO FREEPass needle-detector (Slider and metallic partsare required to be ferromagnetism free) 3"  Ourcompany''s guarantee system:ISO9001:2000 the quality of allproducts are controlledISO1400:2002 We promise that our productsare in line with National Environmental Policies and InternationalEnvironmental requirementsSA8000 We promise to undertake socialresponsibility and staff safeguarding based on internationalconventionOEKO-TEX standard 100 we produce nontoxic products in thelight of European Environmental Standard,SGS,ITS,MTL,TUV,OEKO-TEXTrusting guarantee issued by international renowned tests