UV Skinz Baby Boys UV Sunzie with Long Sleeves &ndash; UPF 50+ Sun Protection Onesie Long Sleeve Bodysuit  Youll receive a nice level of sun protection for the baby with the long sleeves in our onesie Chlorine Resistance  No matter which brightly colored baby swim onesie you select, it will maintain its vibrant look over time, thanks to the chlorine and salt water resistance in the fabric Lightweight Fabric  Babies will be comfortable for the entire day around the water, even when the weather is warm, because of the lightweight pique fabric weve used Simple Snap Closure  The back of the Sunzie includes a snap closure, as does the leg area, giving you easy access to the babys diaper UV Detector Keychain  When you purchase this sun protection onesie, youll also receive a free UV detector keychain to track the amount of sun exposure youre receiving