Material and tool:
200 g of Aran weightvariegated yarn FILPIEMME DIANA 123m/100g; size H (5mm) crochet hook ,
size E (3,5mm) crochet hook (US);
large button.
Abbreviations:
Chain - ch
Single crochet - -sc
Slip stitch - ss
Back post single crochet -bpsc

You can use any Aran weight yarn. You can use multiple strands of the yarns to make up a single strand of aran weight.