Measurements after washing, 32”, 38.5”, 45”, 51”
Pattern calls for size F/5 hook, which in my collection and Rav database is actually 3.75 mm.
Assortment of beads and sequins for ties.
Piece of card 3.5” wide (for tassels)

“Strictly for sunbathing, this bikini dispels notions of crochet’s sometimes frumpy image. Crochet reflects fashion and indeed is fashion. The ties are decorated with shells, sequins, and beads, to resemble beachcombed treasures.” (from the pattern)

This is denim yarn. It will shrink.