Different specifications of aluminum bottles, lighter, conveninent to take,hard enduring, close cap and cover. One piece design, no leakage, inside printedby food class epoxy, fit for drinking, outside can painted into different colors,also can made LOGO according to your request.We also have different kinds of accessoris to go with drinking bottle, such as color covers, caps, plug, hook, bags, support for bike, convinentfor outdoor sports and leisure. Also you can give it to your friends asgiftd, for its beauty, grace, also a vogue. producing area:China