Leiwo Girl's 3 Pcs Colorful Mermaid Bathing Swimwear Swimsuit Costume Bikini Hot Girls Stretchy Mermaid Tail Swimsuit Set. The top is designed with halter around the neck, elastic ruched sides. At the bottom of the mermaid tail is hollow out and you can walk around. Great for summer surfing, beach holiday, bathing and swimming. Size Chart:The suggested age and height is just for your reference. If your measurement is floating between two sizes, advise choosing the larger size.(Measurements shown in the size chart refer to item measurements, not body)