Copco 2510-0493 Firefly Double Wall Stainless Steel Tumbler with Spill Resistant Flip Top Lid, 16-Ounce, Charcoal Grey Durable, BPA-free plastic construction Double walled insulation keeps drinks hot or cold and prevents sweating Spill-resistant, flip-top lid for easy and convenient on-the-go drinking Holds 16-ounces Dishwasher safe; hand washing recommended