trousers waist adjuster: 1.Intertek Eco-Certification 2.stainless steel OR copper 3.High quality with ... competitive price trousers waist adjuster:1.Intertek Eco-Certification (Certification number: 2009-0304-I)2.Materials:stainless steel OR ... have been authorized by the international authority of Intertek Eco-Certification. The metal release rate for nickel, lead, antimony, arsenic, ...