High Quality Hand Blown Borosilicate Glass Tumbler Borosilicate glass is well known for its durability and resistance to thermal shock This means it will not crack under extreme temperature changes like regular glass.
It has the ability to go straight from a freezer to an oven rack without cracking. For you, this means you can pour boiling hot water into borosilicate glass Mug without worrying about shattering or cracking the glass.
While Borosilicate is far more durable and resistant to thermal shock than other types of glass, it is glass so breakage is still a possibility. However, when broken, borosilicate glass tends to crack into larger pieces rather than shattering (it will snap rather than splinter), making clean up less hazardous than a typical glass.
Borosilicate glass is hypoallergenic, lead-free and unlike a plastic straw, it is BPA-free. Have peace of mind knowing that no toxins are being leached into your beverages as you consume them!
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Double Wall Construction for Hot and Cold Drinks Double layered glass mug insulates your drink keeping it hot or cold longer while the outside stays comfortable to your touch allowing you to embrace your drink while you sip at your drink's ideal temperature.
High-quality FDA Food Grade Tested Silicone Silicone Seal to prevent any leaking while drinking
Silicone sleeve to ensure a non-slip grip
Silicone base on the bottom for glass protection
Size 8 fl oz
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- GLASS SIP LID FOR NATURAL TASTE – All Glass Tumbler lid delivers a natural taste, without any plastic or metal aftertaste, and it is lead-free unlike plastic. Have peace of mind knowing that no toxins are being leached into your beverages as you consume them
- GLASS SIP LID FOR NATURAL TASTE – All Glass Tumbler lid delivers a natural taste, without any plastic or metal aftertaste, and it is lead-free unlike plastic. Have peace of mind knowing that no toxins are being leached into your beverages as you consume them
- HAND BLOWN BOROSILICATE GLASS – Tupkee Handmade Mouth Blown Borosilicate Double Walled Glass Insulated Tumbler, is a High Temperature Heat Resistant glass, lab tested, capable to withstand thermal shock and shattering with temperature change, Microwave and Freezer Safe, Hand Wash Only
- DOUBLE WALL CONSTRUCTION FOR BETTER INSULATION – Your favorite tea or coffee will remain fresh & hot, and your hand will stay cool with the dual insulation coffee mug – also keeps iced beverage colder for a longer period of time while the outer glass wall remains comfortable to the touch and reduces condensation
- EASY GRIP – Reusable Glass Coffee Travel Mug Includes a silicone sleeve to ensure a perfect non-slip grip that's comfortable to hold, and reduces the risk of accidental drops.
- SILICONE BASE - Tumbler includes anti-slip silicone base on the bottom of the cup for stability & glass protection
- EASY TO CLEAN - The silicone components are easy to remove for a thorough cleaning (hand wash only)
