If your baby is standing and exploring the world on their own two feet, then they're ready for their first fitting with HUGGIES® Little Movers Slip-On® Diapers. Our Size 4 slip on diapers make it easier for mom to transition from laying down her baby for a change to pulling up and sliding on their diaper. Plus, HUGGIES® Little Movers Slip-On® Diapers feature the proven leakage protection of the HUGGIES® Leak Lock® System. Your baby is growing and evolving; so should their diapers.