Sip your way to promotional success when you advertise on these custom tumblers! Constructed of stainless steel, each 16 oz. tumbler features a plastic liner, stainless steel straw and food-grade silicone comfort tip. They are designed to handle both hot and cold liquids. A gift box is also included. Choose from an assortment of tumbler colors and make sure to add a brand name, logo or message to customize. This product is free of BPA, phthalates, lead and toxins. Made of FDA-approved materials and complies with California Proposition 65. Must be sold in lots of 25.