Ai.Moichien Women's sexy Turtleneck Zipper One-piece U Back Swimwear Bathing Suit Material: Cotton Blend , relaxed and breathe, Soft Bikini swimsuit are beach holiday popularity for modern women Swimsuit features: Round neck, Turtleneck, Zipper, Pink, U Back, Cute One-piece Suitable for swiming,beach party,workout,running or other occasion Please take the size chart as reference to choose the size.If youre not sure ,we recommend to choose one size up. Because it would not cause too much excessive strain and lead to be out of shape and thin.