2 size large used. Designed for smoother transitions and sweeter dreams, the Baby Merlin’s Magic Sleepsuit® helps babies move out of swaddling with comfort and security. Made for little ones who still crave a cozy, contained feeling, it’s a trusted solution for building better sleep habits—especially through tricky sleep regressions. The Sleepsuit is designed to help calm the startle reflex, helping them settle easier and sleep longer. Featuring double zippers for quick changes and three soft layers, the Magic Sleepsuit® makes every stage of sleep a little easier for both babies and parents.