dbl922

1.glass beer drinking mug,advertising drinking mug 2.MOQ:2000pcs 3.Gift for Promotion 4. Free design for you 5. Pass FDA glass beer drinking mug advertising drinking mug cold drinks mug promotional drinking mug FEATURES:1. The magic picture will appear when you put Cold liquid into the mug.2. Material of glass: is best effect for color changing3. We have different temperature color changing oil, ...