FNS1410 Features: * Boys swim diaper * Octopus style * 100pct polyester and chlorine resistant * Washable and re-usable swim diapers * Small (3-6 months, 9-15 lbs) * Medium (6-12 months, 15-22 lbs) * Large (12-18 months, 22-28 lbs) * XLarge (18-24 months, 28-33 lbs) * XXLarge (24-30 months, 33-38 lbs) * 3T (36 months, 34-41 lbs) * 4T (48 months, 38-45 lbs)