This glassware has 2 layers, the shape of inside layer can be customized per your request. When you fill the glassware with juice or other beverage, the customized part will show up. Several colors are available for choice. Fast turnaround time. Rush service is available. Logo and colors can be Customized per request. The best choice for promotional giveaway. Customization of the size is welcome, which needs to be confirmed with our info center.