Materials:
Yarn: 550m (600yrds) of heavy sport weight, I used acrylic, 50gr/128m.
Hook: 5 mm.

Gauge:
16 sc x 20 sc rows is 4in/10cm, always use a hook size which gives you the correct gauge.

Size:
Finished meassurements:
Circumference: 130cm/51in
Length: 30cm/12in.

Notes:
Double trebble stitch is worked as double crochet stitch but with 3 yarn overs, working 2 loops at the time.

Abbreviations
Ch: chain
Dtr: double trebble
Rnd(s): round(s)
Sc: single crochet
Sl st: slip stitch
St(s): stitch(es)
(…) around: work between () around