Double Walled Design For Insulation This doublewalled clear glass mug is ideal for yearround use with various hot and cold drinks thanks to its durable insulating glass that is cool and light to grip Featuring Durable Safe Glass Our doublewalled mug is made of high borosilicate glass a safe and pure material for water contact It ensures no toxic substances are created during drink preparation and is leadfree Elegant Stylish Mug The ergonomically designed handle makes it very easy to carry It can withstand temperatures from 4F to 300F and is suitable for use with NaturalSlim MagicMag Metabolic Matcha and other hot or cold beverages Includes A Durable Bamboo Lid This mug features a durable bamboo cap with a silicone ring for tight closure reducing heat loss and spillage Its wide style makes it easy to wash after each use making it a safer alternative to open lids A Thoughtful Gift This elegant and stylish clear glass mug presented in a box is an ideal gift for family or friends It is perfect for use with your NaturalSlim MagicMag Metabolic Matcha or any other hot or cold beverage