Are you looking for premium blank glassware and drinkware at affordable price? Opentip.com supplies hundreds of glassware products , including wine glasses, beer mugs, tumblers and much more. All of these drinkwares are available in an array of sizes, colors, and designs, which can accommodate your daily or commercial needs. Most of these products are customizable, so you can add your personal touches such as logo or text with our easy-to-use online design tool. As a wholesale vendor of promotional products, we dedicate to offering discounts to customers that buy in bulk.