Materials:
Yarnart Jeans (✓2, yarn density 50g/160m/174yds), color:
pink
1 mm crochet hook
Metal hair clip (hairpin), 5 cm (2 in)

Product Sizing:
Finished size: 5 cm (2 in)

You can use any other yarn, but keep in mind that this will affect the size of the finished product.