We are offering aluminum water bottles . Design#1: 600ml (swb-74-185) – dia. 74mm x ht.185mm design#2: 600ml (swb-64-215) – dia. 64mm x ht.215mm material: pure aluminum alloy cap: with matching cap (food grade – virgin material) certificate: confirms to us fda and eu regulations for food safety colors: possible logo printing: possible (subject to development fee, min. Order) inner packing: each bottle in white box outer packing: 50 bottles box