SwimZip Sunsuit Long Sleeve Romper Swimsuit. Kids Unisex Size 3T/4T. Color - Rainbow. Highest rated and comfortable UPF 50+ sun protective fabric. Full-length zipper for easy on and off. Zipper guard behind zipper protects skin from hot zipper and from rubbing. Tagless neck. Big zipper pull. 4-way stretch. Quick-drying. Chlorine-resistant fabric. Flat seams hep to reduce rubbing. Nylon/Spandex. Ships fast with care from a non-smoking, pet-free environment.