1.Promotional mugs/gift mug/china mugParty supply 2.beer mug,coffee mugs,glass mug,promotion gifts 3.with three color led lig Promotional mugsFeatures:1.travel mugs,beer mug,coffee mugs,glass mugpromotion gifts2.with three color led light-blue,green,red3.Any sizes,any colors is available4.Battery:3 button batteries is available and can be replaceableOEM&ODM is welcome! Promotional mugs