It uses size 10 crochet thread and a size 1 (2.75mm) steel hook. The base of this bracelet is a upcycled water (or soda) bottle, gives it stability plus it fits most wrist sizes, or a purchased metal cuff form can be used.

The pattern is more than just crochet, it teaches you how to make the cuff, then how to cut a plastic water bottle, cover it and attach the crochet piece to it. The directions are for a plain cuff, but also included is the beaded variation. Done in white thread with iridescent beads, it makes for a pretty bracelet for weddings. The pictures in the pattern show how the stitch is done, how to cut a water bottle, and how to attach the piece.
You may use this pattern to produce items to sell.