Drawing its name from the Japanese word meaning "friend" or "companion", the Miir Tomo Water Bottle moves with you through the world at the pace of together. Thermo 3D double-wall vacuum insulated vessel stays hot, keeps cold, doesn't sweat. 18/8 stainless steel enduring material meets beautiful design. Two 8 oz. twist-off double-wall insulated sipping mugs for life's shared adventures. Inner Leakproof 360 lid sip or pour from any side. Roll-stop handle for easy pouring and comfortable carrying. 33 oz. or 1 liter capacity. Hand wash recommended. For best results, wash your Miir product with a long-handled soft bristle brush, soap, and warm water.