Premium Stainless Steel The mini thermos mugmini thermos cup made of high standard 304 stainless steel durable and easy to clean BPA Free it will never rust or leave a bad metal taste Features Dimensions The stainless steel vacuum cup equipped with safety cover silicone handle loop water leakproof design and antislide bottom Size 15 x 7cmDia 4cm59 x 276 inchDia 157inch Please allow 015mm error Keep Hot and Cold The mini portable stainless steel drink water bottlemini coffee cupmini vacuum flasks can keep your coffee tea or hot drink warm up to 68 hours or keep your cold drink chilled up to 1012 hours perfect for cold or hot days Easy to Carry Storage Easy and comfortable in hand and drink compact size helps you to keep hydrated indoors and outdoors Mini travel thermos fits in your bag or your vehicles cup holders easily Wide Applications This mini thermal mug is perfect for travel work school and fitness The wide mouth opening design of provides an easy liquid flow making it great for drinking while on the go It is a great Christmas present or birthday gift for family or friends