Crochet one piece swimsuit featuring tie under bust and behind the neck for added support. Composition: Cotton/nylon Care: Cold hand wash only. Dry flat. Do not tumble dry. All Lisa Maree crochet swimwear is created from a cotton/nylon mix yarn to ensure that the suit stretches and does hold its shape even when wet. All crochet swimsuits have removable padding in the bust for added support and shape.