... machines 3.Strict quality control 4.Short delivery time FDA approved!!500ml cold color changing bottled water,aluminum bottle ... .Color should be dark before changing, no limitation after changing.FDA, RoHS, CA65, EN71 approval.Size : 18.5*7cmMOQ: 2000pcsMaterial: ... mugs!Color changing, non dis-colouring, four colors printing FDA approved!!500ml cold color changing bottled water,aluminum bottle