... mugs,glass mug 3.promotion gifts Mugs with led lightFeatures:1.Mugs (with led light),Gift mug with led light,picnic set,travel mugs,beer mug, ... 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! Mugs with led light