Minimal string bikini. Sleek swim fabric. Our sculpting swim fabric in a cheeky, barely-there cut. *411* Use this as a guide. If you're near the top of a size range and/or prefer more coverage, you may want to size up. Double layered for extra opacity Cheeky coverage bum Features a self-tie side adjustment for easy fit *FABRIC* Ultra smoothing stretch nylon Black is a raven deep noir tone Chlorine and sea water finish added to fabric. 64% Nylon, 36% Elastane Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN. 86212 by Hohenstein HTTI Hand wash cold, dry flat, no bleach, wear often.