... 2:capacity,500-1000ml,smaller or larger 3:material,aluminum,light aluminum water bottle,sports bottle1:feature,recycable,good tenacity2:Level,EU,US ... very cute and lovely appearance5:capacity,500ml to 1000ml,smaller or larger is fine6:material,aluminum,light and eco-friendly;cap, ... plasticQuestion:how to make it a good aluminum water bottle?Answer:a procedure called electric-polishe to ...