What is the inside diameter of these caps?

The inside diameter of the caps is 4 CM. I hope it helps!

Glass Bottles's Lids, Pack of 2 Stainless Steel Caps, Compatible ONLY with Brieftons Glass Bottles

Product ID: 319697649

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Details

Material
Silicone Steel
Colour
White
Brand
Brieftons
Style
Can
Item weight
0.07 Pounds

🔒airtight seal

♻️reusable & eco-friendly

🛡️304 stainless steel durability

Description

🔒 Seal your style with stainless steel sophistication!

EFFORTLESS MAINTENANCE - Easy to clean by hand, these caps keep your hydration routine hassle-free and hygienic.
BUILT TO LAST A LIFETIME - Crafted from premium 304 stainless steel and food-grade silicone for unmatched durability and safety.
SUSTAINABLE STYLE UPGRADE - Replace worn lids instead of tossing bottles—eco-conscious and stylish for the mindful millennial.
LOCK IN FRESHNESS EVERY TIME - Threaded screw-on design ensures an airtight seal to keep your drinks pure and fresh.
PERFECT FIT FOR 18 OZ BOTTLES - Specifically engineered to fit Brieftons and compatible glass bottles, restoring your favorite bottle’s functionality.

This pack of 2 stainless steel screw-on caps from Brieftons offers a durable, airtight replacement for 18 oz glass water bottles. Made with 304 stainless steel and food-grade silicone seals, these lids guarantee a secure fit, easy hand cleaning, and a lifetime of reliable use—perfect for eco-conscious professionals who value both function and sleek design.

Specifications

Manufacturer	Brieftons
Part number	712038187652
Item Weight	32 g
Package Dimensions	8.71 x 5.59 x 2.39 cm; 32 g
Item model number	712038187652
Color	White
Style	Can
Material	Silicone, Stainless Steel
Shape	Round
Number Of Pieces	2
Special Features	airtight
Batteries Included?	No
Batteries Required?	No

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