M12CP Hydro Flask 12 Ounce Coffee Mug Savor every sip. Hydro Flask's 12 oz. stainless steel insulated mug keeps coffee hot for up to six hours — cocoa, tea and toddies, too. Refillable, resuable and sized for the perfect cup, it has a spill-stopping insulated Press-In Lid and their TempShield insulation to hold the heat. Closeable Press-In Lid tames splashes, trap temps and is straw compatible Soft Touch exterior for a comfortable hold TempShield double-wall vacuum insulation protects temperature for hours Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer BPA-Free Lifetime Warranty with Hydro Flask Size & Dimensions 12 oz Volume: 355 mL Mouth Diameter: 3.5" Diameter: 5.0" Height: 4.5" Weight: 11.2 oz Product Care Refer to Hydro Flask's website FAQ for specialized instructions Wash before first use. Hand wash with warm water and soap or baking soda. For tough stains, soak overnight. Use a non-abrasive brush or sponge to scrub. Rinse well. Not recommended for dishwashers. Not for use on a stove, in a microwave or freezer Keep hot liquids out of the reach of children