DIY Crochet Water Bottle Cozy — Easy Beginner Pattern for 20oz (600ml) Bottles

Make your water bottle stand out with a handmade crochet cozy. This easy, beginner-friendly pattern uses two strands of DK yarn held together to create a snug, textured sleeve that helps insulate your drink and makes bottles simple to identify. The finished sample fits a 600ml/20oz bottle; adjust the length by repeating or reducing rounds to suit other sizes.

Skill Level: Beginner

Terms: US Terms

Materials used:

• 90g DK weight yarn (held as 2 strands)
• Hook: 4 mm
• Other items: scissors, darning needle, stitch marker

Gauge: 15 dc x 9 rows. Size: 3 inch base diameter x 9 inches tall (fits 600ml/20oz bottle)

Notes:

• This pattern is worked using 2 strands of yarn held together.
• Ch3 counts as a double crochet.
• Ch1 does not count as a sc.
• Ch2 does not count as a hdc.
• This piece is worked in the round, without turning. You may prefer to turn when creating the base; if so, please do NOT turn after round 6. From here your work should be right side facing before you begin round 7.

Stitches:

• Magic Ring – mr
• Single Crochet – sc
• Half Double Crochet – hdc
• Double Crochet – dc
• Back Loop Single Crochet – blsc (see special stitches)
• Front Post Treble Crochet – fptr
• Slip Stitch – sl-st

Special Stitches:

Back Loop Single Crochet (blsc) – single crochet in the back loop ONLY of the specified stitch.

Start:

MR

Round 1:

Ch2 (does not count as a hdc here and throughout), 12 hdc into the mr. Join with a slip stitch in the top of the beg ch2. (12)

Round 2:

Ch3 (counts as a dc here and throughout), dc in the same st, 2 dc in each st around. Join with a sl-st to the top of the beg ch3. (24)

Round 3:

Ch1 (does not count as an sc here and throughout), sc in the same st, 2 sc in the next st, [sc in the next st, 2 sc in the next st], repeat round. Join with a sl-st to the top of the beg sc. (36)

Round 4:

Ch1, blsc in the same st, blsc in each st around. Join with a sl-st to the top of the beg blsc. (36)

Round 5:

Ch3, dc in each st around. Join with a sl-st to the top of the beg ch3. (36)

Round 6:

Ch3, fptr in the next st, [dc in the next 2 sts, fptr in the next st], repeat round until 1 st remains, dc in the next st. Join with a sl-st to the top of the beg ch3. (36)

Round 7:

Ch3, dc in the next st, fptr in the next st, [dc in the next 2 sts, fptr in the next] repeat round. Join with a sl-st to the top of the beg ch3. (36)

Rounds 8 – 21:

Repeat rounds 6 & 7, 7 more times. (36)

For shorter bottles reduce the number of repeats of rounds 6 & 7, until you reach just below the lip of your jar and then continue on to complete with rounds 22 & 23.

The pictured cosy is a 600ml/20oz size.

Round 22:

Ch2, hdc in the same st, hdc in each st around. Join with a sl-st in the top of the beg hdc. (36)

Round 23:

Ch1, sc in the same st, sc in each st around. Join with a sl-st to the top of the beg sc. Tie off and secure your ends.