Our swimwear checklist is exhausting. Wanted: a swimsuit with high UPF, non-toxic, quick drying, easy diaper-changing design, lightweight, breathable and durable. Done, done and done. This baby and toddler, one-piece Non-Toxic Sun Protection Suit checks out in every category and is available in sizes 0 to 24 months. This is what we mean when we say we're looking for full coverage.