4.0 Mason Jar Straw Lid - Regular Mouth
4.0 Mason Jar Straw Lid - Regular Mouth
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LIQUID LOCK
Complete your Mason with our 18/8 stainless steel, one of a kind lid featuring our patented food grade silicone grommet which reduces spilling, clinking, or dripping.
Universal sizes - fits any regular mouth mason jar
Looking for a wide mouth lid? Click here.
Care Instructions
For your lid: Remove silicone ring inside the rim, wash separately to ensure that you remove all food particles & dry immediately after washing. Do not remove the grommet.
Want to learn more about caring for your products? View the care section in our FAQ.
Why You'll Love Them
Why You'll Love Them
Size and Length Guide
Size and Length Guide
Straw Width

Straw Length


- 5 stars: 6 (67%)
- 4 stars: 0 (0%)
- 3 stars: 1 (11%)
- 2 stars: 2 (22%)
- 1 star: 0 (0%)
These are a game-changer! I make my own DIY electrolytes drink that go with me everywhere I go, including on public transportation. These secure my drink and straw nicely. It can tip over, and I don't need to worry about a big spill. I can keep a spare jar with an extra lid, no straw, and there is zero spill when that tips over. I also appreciate that it is 304 stainless steel since I make a higher sodium solution for my autonomic dysfunction.
At this point, I have a small Simply Straws collection growing and they never disappoint. I have had a few straws break on me but customer service has always helped me to replace my order. They also have my fave mason jar lids ever. Great quality and I still have the original 1.0 version!
The product is good but it’s way overpriced. The number 4 was in the description, and I thought i was getting 4 of them. One lid for $15 is exorbitant. The lids are great, but on top of that, they sent me a defective one. But they did replace it, so their customer service is good.
Use it everyday on my mason jar
excellent! better than any mason jar straw lid i've ever had!
Like it but bigger than I thought! Haven’t used yet
Very nice product.
I don't use it as much as the smaller size lid, which I use on mayo jars to get the amount of liquid that I want
I think the mason Jars and lids are very helpful in feeding nutrition shakes to my wife who has Alzheimer's. But the etching on the straws makes me cautious as I scraped my finger when initially washing it, so I am not sure about using it with my wife. While it is cute to identify yourselves with the etched logo, the abrasion potential makes this dangerous to wash and use. At first I thought it was a flaw in the production, to have this sharp edge that felt like a nick in the glass surface. Then in looking at it I saw this was an edge formed by etching your name on the outside surface. So I would recommend the jars/lids but would buy glass straws from other vendors who don't invade the outside surfaces of their straws. Sorry, I was looking forward so much to this purchase.
