Mason Jar Cozy Free Pattern, Tutorial & Designer Notes

Cozy collection-04I received this amazing mason jar for Christmas.

My friend gave this to me with one of those travel lids you can stick on top.

Coolest thing ever.

I really wanted to drink hot coffee out of it so I decided to make its own custom cozy.

I will give you the pattern for this size mason jar, but you can also peek into my designer mind and see how this was created.

Abbreviations and written pattern are located at the end of this post.


Favorite or Queue on Ravelry here.

First I chained a length of yarn and wrapped the chains around the jar.

Mason jar cozy-01I counted the chains then wrote that number down in my notebook. The circumference in chains = 29.

Mason jar cozy-02

I worked in the round increasing in every other stitch until the outside circle numbered 29 single crochets. I don’t recommend increasing that quickly on a larger project, but it works for small ones.

Mason jar cozy-04

When I stopped increasing and the circle turned down, I slipped it onto the jar to see if it was the right size and noticed it was a little baggy. We can’t have baggy around hot coffee! So I tore out my stitches back to the small circle above until the increase = 25 sc.

Mason jar cozy-07

There are two reasons why this bagginess occurs: 1. my chains are tighter than my stitches and 2. the small flat circle with increases expands when you begin to work your stitches normally.

But there’s no stress here because it’s a small project!

Cozy collection-01

I finally got it right and this Mason Jar Cozy joined her friends Mug Tie Cozy and Coffee Shop Cozy (all three are now free patterns with picture tutorials)! Aren’t they cute?

Be well, dear readers. Crochet often. Create always!



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finished hat+cowl-02 finished hat+cowl-04 finished hat+cowl-05



Mason jar cozy-08Jar Cozy

Yarn: Hobby Lobby’s I Love this Cotton Twist

Yarn Weight: 4 Medium Worsted

Colors Pictured: 402 Monkey Red

Hook: Size (I-9) 5.5 mm

Gauge: 12 sts and 14 rows = 4” in sc

Completed Dimensions (Cozy lying flat): 4.5×4.5”

Skill Level: Beginner (first time crocheter)

Necessary Skills: Basic stitches, working in the round, rows and tube


[ ] – work instructions within brackets as many times as directed

( ) – additional instructions and/or stitches to work

ch— chain

sc— single crochet

rep— repeat

st(s)— stitch(es)

ea— each

sl st— slip stitch


Rnd 1: Ch 2, 9 sc in 2nd ch from hook. (9 sc)

Rnd 2: 2 sc in 1st sc from rnd 1 and in ea sc around. (18 sc)

Rnd 3: [2 sc in next st, sc in next st] rep around row. (27 sc)

Rnds 4 – 18: Sc in ea st around.

Rnd 19: Sl st in ea st around. (27 sl st)

Finish off, weave in ends.

Favorite or Queue on Ravelry here.


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