The plastic tumbler makers have done a good job in serving the drinkware industry. Incorporating diverse types of plastic like PET, PP, PC, and even Tritan, they produce tumblers with differing characteristics. With modern injection and blow molding machinery, these manufacturers can mass produce tumblers of every shape, size, and complex design imaginable. By ensuring that suitable food-grade materials are used, elaboreate quality assurance is performed to make sure the tumblers are fit for human use. Custom orders are accepted by some manufacturers to include logos and colors, and even add handles, insulation, or straws for customized design tumblers. Besides, they are keen for changes in the eco-sustainability movementof plastic drinkware and modern design trends.