O’Neill Women’s Swimwear and Clothing Size Guide The Dahlia symbolizes commitment but you only need to commit to a single beachday in this O’Neill® One-Piece. One-piece swimsuit with an allover tropical print. Deep V-neckline features cross straps. Removable soft cups for customized shape and support. Halter strap ties at nape. Open back. Cheeky rear coverage. 85% polyamide, 15% elastane.Lining: 92% polyester, 8% elastane. Hand wash, line dry. Imported. Measurements: One Piece Length: 24 in Product measurements were taken using size MD (US 5-7). Please note that measurements may vary by size. If you’re not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.