How to turn a mason jar into a spillproof cup with straw (for ~50 cents or less!)!

The glassware of choice in this house is the mason jar.  It's simple, easy to replace, durable and goes with all the dishes.  We are still working our way out of the every cup needs a lid phase of life with little ones...because if they don't have a lid...
This inevitably happens.  On purpose and on naughty.  Yep. 
Finally, I could take it no more...with lots of nudges from the Instagram and Pinterest world, I set out to solve the dumping of the drinks problem.  
Here is what you need:
mason jar lids (I use wide mouth ones)
a drill with a 3/8in drill bit
rubber food grade grommets ( Search etsy or google for "food grade grommets").  See size photo below. 
Here is the exact size and packaging.  They were $1.05 for two of them.  You can get the on Amazon but I only wanted 10 and not 50. :) *I believe these ARE food grade but if not, it doesn't really bother me since it's just a tiny little thing...just wash with hot soap and water.  You CAN find certified food grade ones but you will have to dig around for them. :)  
With the lid on the jar...drill a hole slowly through the top.  
Your edge may or may not be jagged...
I used some small wire scissors to clean up the edges a bit. 
Then slide your grommet in.  They went in a lot easier than I thought they would.  Slide half in first, then slowly and carefully slip the rest in.  
And that is IT!  Well, you will want to wash it really well...but after that... 
Slip in a straw (reusable or otherwise) and you are free to enjoy some fresh spill free beverages.

These are SO easy!! Don't be afraid to jump in there and get some made!  Go, go, go!!
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50 comments:

Lydia Thompson said...

I am so all over this! We have used mason jars in our home as glasses for years. I like they are "in" right now. I have to pick up a 2x4 today so I am adding grommets to my list :)


lydia @ the adventures of Mommaloo

Krista said...

Mason jars are the glass of choice in our home :) I search Goodwill when I go and snatch them up for 49 cents! We have about 20-25 & use them every single day....love them! Thanks for the idea!

trinity said...

So, regular disposable straws fit?

All At Once said...

Oh my goodness Cystal! Tho is so clever. After all of my cups somehow disappeared, I decided to purchase mason jars! We love them. They are such a great cup to have for everyday and partirs! I'm so happy with our purchase. And now I can kid proof them?! Amazing!!

Kate @ Songs Kate Sang said...

Thank you for this tutorial!

Anonymous said...

The only downside is they don't fit in the cup holders in cars? (I assume). Really a neat idea though.

Pam said...

Can you put the finished lids in the dishwasher?

Pam said...

Can you put the finished lids in the dishwasher?

Holly said...

cute idea! We use mason jars as well and love them although we do inspect them for chips occasionally!

Anonymous said...

You might avoid the jagged edges if you out the lid on a piece of wood and drill it. Should be much cleaner! Great idea, will have to try it!

Rulissa @ Mustard Seeds in Oklahoma said...

I love this idea!! Going to make some spillproof lids TOMORROW!!! I think the pint sized jelly jars will be perfect for the kiddos... Thanks for the step by step!

Good Girl Gone Green said...

Thanks! I have been wanting to do this for when I am in the car and my smoothie and juices don't spill everywhere! :)

Alli said...

Thanks for this tutorial! I have always thought about doing something like this, but knew a straight up hole in the lid was wrong. I didn't know about the grommets, but now I do! I hope to swap out the kids' plastic cups and use these in the future. We swapped out all our plastic storage ware for wide mouth jars, sealing them with a food saver. Swapping out the kids plastic cups seems like the next good idea! Thank you, thank you!

Quilted Cupcake said...

Awwweeesssoooomme. I've been looking for something like this. Thanks so much for sharing. I love mason jars, and this makes them so much easier!

Anonymous said...

How about this product since it is made with food grade materials. I'm not sure you want beverages sloshing against the grommet. (I'm not a spammer, I'm thinking of buying this myself.)
http://cuppow.com/

The Perfect Trio said...

We use Mason jars for everything!!! I'm so doing this! Thanks for sharing your awesome ways!

Kitty Fynbu said...

If you want to put your jar in the cup holder in your car, just buy the quilted jelly jars in the slimmer style...they fit!

Kandi said...

Hi Crystal~
I saw some of these for sale one day and then saw your "how-to" (much less expensive). I love this idea! I showed it to my husband and his first comment was just the same as one of your commentors above, "are the grommets food safe?". I'm not sure how you find out, but just wanted to share my husband's concerns.
Thanks for sharing your "how-to's".
Take care. :)

Wyldcat said...

Good job. I LOVE to do these but I use the plastic BPA free lids that you can get for them.

ShersCrafty said...

My Hub's just did these for me! I love them...we did them in 2 sizes...and he wanted me to tell everyone that if you run the drill in reverse while applying a little pressure you don't get such jagged edges...he also drilled the holes with a piece of wood underneath of the lid :) they look great! And make me smile every time I take a sip! Thanks for the GREAT idea!! :)

Sherry

kijsa said...

Love, love this idea! Found you via pinterest!
Blessings,
Kijsa

Heather said...

This is so super adorable! I have a mega love affair with mason jars and this just takes the cake! Thanks so much for sharing:)
Popping over from WLWW.
Blessings,
Heather @ourcultivatedlife

Bidwell Betty said...

This is brilliant. Thank you do much for sharing and for giving such detail. I went to Home Depot first and search the entire store after asking 3 workers. No one had any idea what I was talking about. Then I went to Lowe's an pulled up your info on my phone and found the grommets in less than 5 minutes!

Vanessa said...

I've been looking for an option like this forever ! Thank you!!!

Sarah said...

This is sweet! Found you on pinterest. I might do this for my family, but if not, my sister is big into mason jars and this would make such a great gift. Thank you for sharing! :)

scrap_boro said...

I'm a scrapbooker and own a Crop-A-Dile. It's the perfect tool for this, it will punch holes in metal without the jagged edges. I can't wait to make these!

Thea Clarkberry said...

I made one, except with a snapple bottle! It turned out great.Thanks!

Jan Hunnicutt said...

Thanks for a great tutorial! I've bought these already made and they are terribly expensive. My hubby and I will be making them soon :)

sofen said...

So cool!

And your garden table, is it the norwegian flag that is painted on it?

(I'm norwegian ;) )

Stanton Taylor said...

Sandwiching the lid between blocks of wood would be best. This should result in a very clean hole.

Stanton Taylor said...

Better still would be sandwich the lid between blocks of wood. Make sure your bit is sharp.

frankie tollinche said...

the most simple and very useful idea! mam, you are brilliant!

frankie tollinche said...

the most simple idea yet the most useful one! you mam, are brilliant!

Eglantier said...

Hi, I see from the pictures these are the canning lids with the white plastic underneath. I recently found out those are not PBA free. Perhaps punch through plain pewter lids - that cuts the work out of bothering with a lid AND a ring anyway =)

Clara Nyquist said...

Were did you find your straws?

barb said...

I did this for a kids party with the drink already in the jar and the jar in an ice tub. Not an original idea but was so well received. Don't use around the pool however.

Pastel Deers said...

I've done everything but I can't find the grommets :(

Rene Roland said...

I'm making them today for baby shower guest gifts. I needed a bunch of grommets so I found them online at http://electricalsupplycenter.com/shop/
I can't wait to see how they turn out, I think the guests will love them! Thanks for the instructions!

Beca said...

Thank you so much for this tutorial! It was incredibly easy and the measurements really helped (drill bit and grommets). I just made a few sets of Ball pints for the mothers in my life for this upcoming Mother's Day! I can hardly wait to give them this gift.

Also for those that are interested, I found these super cute paper straws at Nordstrom. They're Kikkerland Paper Straws. You can do a google search to find them and pick them up for about $5 a box.

Kristen said...

is the straw you used in the photos reusable and if so, where did you purchase it? Thanks for the great tutorial, can't wait to use it!

Maria Delgado said...

I'm hooked on this idea , even my teenage sons thought it was cool. So, they are going to make them themselves. Thanks for sharing.

Dashia Thomas said...

So I bought some grommets, and pint sized jars to do this. I must say I am so very pleased. The only issue is that I needed a breather hole. My 2 year old has been walking around drinking chocolate milk out his all day.

woowoo said...

I found the grommets at Menards...6 in a pack for .99. The brand is Gardner Bender and the size is 1/4". (black and red package)

katie talbott said...

My 9 yr old just made these for us. I bought stainless steel straws for reusability on Amazon - they had the grommets as well ($4 a pack - not the best price but easy to purchase).

Thanks for the great tutorial! (picture of my youngest enjoying their new drinking cups: pic.twitter.com/rR6ZNIxWp6)

Paula Parrish said...

Thanks for sharing this tutorial. I am going to make some mason jar cups very soon, now that I know where to buy the rubber grommets. Thanks. ;o)

Art & Pat said...

Great post, will be making these. I e-mailed the Hillman Group, these gommets are not food grade.

Art & Pat said...

I emailed Hillman Group, their grommets are not food grade.

Haleigh Adams said...

My 6 year old son and I just made 4 of these. SO EASY!!! I saw someone comment about using her croc-a-dile, and I just so happened to pick one of those up at the goodwill a few years back to try and make some diapers. We made all 4 within just 5-10 mins, with no sharp edges! They really are very spillproof! I am so glad I ran across this on pinterest! Thanks!

Michelle said...

Can the kids pull the straw out of the jar? My child pulls every straw out of her cups.

Michelle said...

Can the kids pull the straw out of the jar?

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