π¨π¦ππ₯ πππ¦πππ‘: slip-resistant silicone sleeve around the Coffee mugs helps drinks remain non-slip, wide flat mug bottom makes full contact with a warming plate. Use with COSORI Coffee warmer for the best performance for CO294-CW) π¦π£πππππ πππ ππ‘π πππ₯ππ π©π’ππ¨π π: 17 oz. Coffee cup with a wide mouth to Sip from. The opening on the lid for put down a stirring Spoon easily remove the lid with the flick of a thumb. Take off lid before drinking. Dishwasher safe. πππππ§ππππ₯ π€π¨ππππ§π¬ π¦π§πππ: 304 food grade stainless steel. BPA free. Enjoy your Coffee or tea from strong lightweight cup don't worry leach chemicals and will not rust or tarnish over time. πππ’π’π¦π π¬π’π¨π₯ ππ’ππ’π¨π₯: Classic black and Blue colors help distinguish whose is whose. Assign them to be βhis & hersβ or other family members. Great as a gift set for couples, relatives, colleagues, and more, Whether the mugs are meant to contain Coffee, tea, water, milkshakes, or even beer.