Maru Open Back Swimming Costume Ladies. Maru Open Back Swimming Costume LadiesGet into the pool with this Maru Open Back Swimming Costume, crafted with a breathable material for long lasting wear, an open back and scoop neck. An all over floral design is features and Maru branding sits to the front.> Swimming costume> Breathable> Excellent shape retention> 100% chlorine resistance> Open back> Scoop neck> All over floral design> Maru branding> 100% polyester