Where The Wild Things Magnetic Me Sleeper eco-friendly TENCEL™ modal: sustainably sourced from beechwood trees, breathable, temperature regulating; fabric is pill-, fade- & run-resistant. SewSafe™ magnetic closures line the seam from neck to crotch to make for easy dressing and changes. features based on size: magnetic closures: magnets line the seam from the neck to the crotch adjustable leg cuffs: foldable leg cuffs on all sizes allow an additional 3.5” of length mitten cuffs: sizes NB-6m have fold-over cuffs to cover hands & protect from scratches extended cuffs: 6-9m to 18-24m have roll-up cuffs that extend the arm length footie cuffs: built-in fold-over cuffs on all sizes convert from a coverall to a footie grippy feet: non-slip foot grips for sizes 9-12m and up snug fit: sizes 9-12m and up follow snug-fit & flammability standards—consider sizing up easy care, machine wash