Features: 1.Made of high-quality stainless steel,corrosion-resistant,not easy to rust,long-term use and durable. 2.Silicone sealing ring for direct drinking cup cover,flip-top type for direct drinking,and a straw can be inserted. 3.The thickened silicone ring fits closely with the cup to prevent spilling. 4.Small and compact,easy to carry.Great to take on a walk,picnic or camping. 5.This stainless steel coffee mug is a great gift for family and friends on Christmas,Thanksgiving,Birthday and other holidays. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Stainless steel Size: 10.9*8.8cm Package List: 1 x Coffee Cup