ThermoLock Mug Topper

ThermoLock Mug Topper is designed to fit your mug’s rim, creating a suction seal to keep the heat in and everything else out. The center handles gives you the control to seal your drink and easily remove without making a mess. Hand wash only. Complies with Prop 65. 4.375″ L x 4.375″ W x 0.375″ H