Spandex-blendPoly-blendJersey Machine Wash Quality materials: a soft durable blend of polyester and spandex; 100% polyester lining for enhanced comfort; stretchy fabric dries quickly; UPF 50 sun protection; machine wash; imported Swimwear features: bikini brief under the skirt to ensure modesty and comfort; the modest cut offers added UV protection for sunny beach days; feature a front or full lining that gives them more heft Mix and match: pair with a tankini or bikini tops; protect her skin from sand saltwater and uv rays with a rash guard; she can wear these bottoms with a cotton tee or tank under her shorts or skirt Essential fit: offered in kids regular plus and slim swimsuit size options; the fabric has plenty of stretch for comfort which can also help accommodate a growth spurt or general tumbling around Versatile: perfect for swimming lessons or even water balloon fights; pack them in your suitcase for a beach or hotel vacation; she can pair them with a matching top for a pool party with her friends