This season, she can soak up the sun in this Retro One-Piece Swimsuit from Wonder Nation. Designed with O-ring details on the straps, this swimsuit features a playful design that pairs easily with her favorite flip flops. Double-lined in the front for modesty and made with UPF 50 for protection from the sun, she is sure to make a splash from the beach to the pool. Only at Walmart.