Cotton Twine Mesh Bag - free crochet pattern

Another version of the mesh bag, this time made with 2 balls cotton twine. This is suitable as a beach bag to contain a beach towel and a few essentials. If using for heavier stuff, it is best to line the bag with non-stretchable fabric.

Cotton Twine Mesh Bag
by Mimi Alelis, March 2017
https://mycrochetstuff.blogspot.com/2017/03/cotton-twine-mesh-bag-free-crochet.html

Materials: 2 balls cotton twine
4.5mm/G or 8/0 crochet hook
Yarn needle for weaving ends and sewing the strap
Gauge: Gauge is not so important, but for the model shown, rounds 1-4 is approximately 5 inches in diameter
Finished Measurement: bag is approx. 13 inches wide, when layed flat
Stitches Used: ch = chain, ss = slip stitch, sc = single crochet, dc = double crochet, tr = treble crochet, st = stitch, rnd = round

Pattern
Rnd 1: Starting at the bottom, ch 4, join with a ss on 1st ch, to form a ring, ch 3 (counts as dc), 15 dc in ring, join with a ss on top of beg ch 3. (16 dc)
Rnd 2: (Ch 4, sc in next dc) 14 times, ch 2, dc in last dc. (15 loops)
Rnd 3: (Ch 4, sc in next loop) 14 times, ch 2, dc in dc of last loop. (15 loops)
Rnd 4: Repeat rnd 3.
Rnd 5: (Ch 4, sc in next loop, ch 4 sc in same loop) 14 times, ch 4, sc in last loop, ch 2, dc in dc. (30 loops)
Rnd 6: (Ch 4, sc in next loop) 29 times, ch 2, dc in dc of last loop. (30 loops)
Rnd 7-30: Repeat rnd 6.
Rnd 31: Ch 3, sc in next loop, (ch 4, sc in next loop) 12 times, ch 1, dc in next loop, turn. (14 loops)
Rnd 32: Ch 3, sc in next loop, (ch  4, sc in next loop) repeat across except on last loop, ch 1, dc in last loop, turn. (13 loops)
Rnds 33-40: Repeat rnd 32, at the end of rnd 40, 5 loops remain.
Rnd 41: Ch 4 (counts as 1st tr), tr in the next loop, 2 tr in next loop, tr in last two loops, turn. (6 tr)
Rnd 42: Ch 4, tr in each tr across (6 tr). Fasten off, leaving enough length for weaving in.
Shaping other end and finishing the strap
Attach thread on the next available loop at rnd 30. Repeat rnds 31 up to 42.
Rnd 43 onwards: Repeat rnd 42 up to desired length of strap (taking into consideration that strap will stretch a bit). Fasten off, leaving 10-inch tail for sewing. Sew to other end securely. Weave in ends.