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. 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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High-quality FDA Food Grade Tested Silicone Silicone Seal to prevent any leaking while drinking
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- STRAW LID: Designed for the Tupkee 14oz & 8oz double-wall glass travel tumbler. The lid features a hole for inserting a straw, making it perfect for sipping on the go. Note: Tumbler and straw are not included.
- PURE GLASS TASTE: The glass lid ensures a natural drinking experience without any plastic or metal aftertaste. It is lead-free, providing peace of mind that no toxins are leached into your beverages.
- LEAK-PROOF SILICONE SEAL: Equipped with a high-quality, FDA Food Grade, BPA-free silicone seal that prevents leaks and spills while drinking from your glass tumbler.
- SECURE STRAW FIT AND COVER: Designed with a silicone rim around the straw hole to keep the straw securely in place, preventing it from knocking against the glass lid. The silicone straw cover protects the straw when not in use and helps retain heat by sealing the straw hole, keeping your drink hot for longer.
- EASY TO CLEAN: The removable silicone components allow for easy, thorough cleaning of the lid. (Hand wash only.)
