High Quality Hand Blown Borosilicate Glass Replacement Lid 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.
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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High-quality FDA Food Grade Tested Silicone Silicone Seal to prevent any leaking while drinking
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- REPLACMENT LID - For Tupkee Double Wall Glass Tumbler - All Glass Reusable Insulated Tea/Coffee Mug & Lid, Hand Blown Glass Travel Mug, 14-Ounce & 8-Ounce, Niagara - Tumbler not included
- LEAK-PROOF SILICONE SEAL – High-quality FDA Food Grade tested, BPA free silicone Seal to prevent any leaking while drinking from the tumbler, You can put a straw into the top hole and enjoy your coffee travel mug drinking on the road
- 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
