EASIER Just unzip the bottom, change, zip, done. The only sack with genius 4-Way zipper, for easier diaper changes while baby stays covered + cozy. No need to open sack or use center zip. Easier sleeping baby transfers

MOST COMFY The most generous fit of any sack – it's longer, wider, with larger armholes, for a more comfortable fit! Extra room for hip-healthy kicking + folding legs. This ultra cozy extra-luxurious premium plush fleece will become your baby’s favorite lovey

SMARTER WONDERZiP offers 3 options - allows sack to open just the bottom for easy diaper changes, or completely from either side for sleeping baby transfers, or the traditional middle. Your choice.

SAFE SLEEP CERTIFIED OEKO-TEX STANDARD 100 Rigorously tested by Leading JPMA Certified Lab to exceed highest Safety Standards Certified Pediatric Sleep Consultant Approved Certified Hip Healthy by International Hip Dysplasia Institute First Candle Safe Sleep Award Toxin-BPA-Phthalate Free No added flame retardant

FABRIC DETAILS AND CARE: MEDIUM WEIGHT Perfect for those babies who want cozy sleep without extra weight Ultra-soft plush fleece 1.6 TOG, ideal for 68-72F Machine Wash/Dry 3-9 months, SACK length 29” 9-18 months, SACK length 31” 18-24 months, SACK length 35” 24-36 months, SACK length 38”