PATTERN includes over 70 detailed photos of working procedure and description “step by step”. A beginning crocheter could easily follow it.

Very soft thin cotton yarn for crochet, baby yarn.
Yarn consumption is about 1x 75g ball, using yarn with about 230 m / 75 g.
Better to buy one ball of yarn more.
Flat rubber for your waist size.
Crochet hook is good 2mm or 3mm (read the label)
For 2mm crochet hook you can start with 25-30 ch.
Size: L-XL (adjustable)

Also available here