Features: The mini thermos mug|mini thermos cup made of high standard 304 stainless steel, durable and easy to clean. The stainless steel vacuum cup equipped with safety cover, silicone handle loop, water leak-proof design and anti-slide bottom. Keep your coffee, tea or hot drink warm up to 6-8 hours or keep your cold drink chilled up to 10-12 hours, perfect for cold or hot days Compact size helps you to keep hydrated indoors and outdoors. Mini travel thermos fits in your bag or your vehicles' cup holders easily. This mini thermal mug is perfect for travel, work, school and fitness.It is a great Christmas present or birthday gift for family or friends. Specifications: Material: High Quality 304 Stainless Steel Dimension:15x7(4)cm/5.9x2.76(1.57)inch Color: Black/Gold/Silver/Green/Rose Gold Capacity: 10.15oz/280ml Property: Keep hot/Keep cold Compatible with: Indoor & Outdoor, such as Office/Campus/Car/Travel/Camping, etc. Package Include: 1 x Mini Thermos Mug/Mini Vacuum Cup/Coffee Vacuum Flask/Coffee Travel Mug Warm Note: As usual, the mini thermos will work well if filled with boiled water (or ≥90 ℃/194℉ hot drink).