Item No:R-037 Size: 6.0# Material:alminium Specification:this product is suitable for all kinds of luggages and backpack. Declare :our products are mainly exported. All products are available through the minimum testing standards in Europe and AmericaEN71-3 (8 major heavy metals test). Of course, with customer requirements, production tests can pass ROHS international standards and the latest REACH phthalate potassium permanganate test standards.