DescriptionMade of premium stainless steel, the insulation cup is durable and long lasting use. Excellent stoving varnish features great workmanship and comfortable hand touch. The sealing backup ring is adopted from premium silicone to insure the leakproofness. It is for home, office, school, travel and outdoor use.Feature- Color: Black. - Material: Stainless steel. - Size: 10 x 10 x 15cm. - Made of premium stainless steel, the insulation cup is durable and long lasting use. - The inner part of the cup is made from food grade material which makes it easy to clean and safe to use. - Excellent stoving varnish features great workmanship and comfortable hand touch. It can remain after using for a long time. - The sealing backup ring is adopted from premium silicone to insure the leakproofness. It can effectively avoid water leakage and you can take it anywhere you want. - Smooth cup mouth offers you enjoyable drinking experience.