This rash set is sized 2-3 years and it is great.  Love the sizing so my toddler can use it for several months. We use this almost daily.  We also often use the shorts over other swimsuits so she doesn't get a rash from her swim vest.  Also love the soft fabric and pink color. We will be buying this set from Sunbusters again in the next size up. We use it in swimming pools, at the beach, and just outdoors.