From coffee tumbler to iced tea cup, this tumbler will keep your drink hot or cold longer. Thermo 3D double wall vacuum insulation technology - keeps your drink hot up to 12 hours and cold for up to 24 hours. This tumbler won't sweat or be hot to touch no matter the temperature of your drink. 18/8 medical grade stainless steel doesn't transfer flavor or leave you with a metal aftertaste in your mouth. Hardshell powder coat has great color and prevents peeling. BPA free. The press-on lid makes for easy sipping, prevents splashes, and keeps drinks warm longer. Compatible with most car and truck cup holders. 12 oz. capacity. Hand wash recommended. For best results, wash your MiiR product with a long-handled soft bristle brush, soap, and warm water.