Merino Wool & Organic Cotton Toddler Sleep Sack with Legs, Wearable Baby Blanket

MATERIAL: 100% Merino Wool Liner / 100% Organic Cotton Outer.Australian merino wool lining - 100% natural, luxuriously soft, hypoallergenic and temperature regulating. GOTS certified organic cotton outer. INCREASE SLEEP TIME: When the baby sleeps better, so do parents. Premium fabrics for best comfort. SIZE: 70# for 6-18 months baby. 80# for 18-30 months baby. 90# for 30-42 months baby. MAXIMUM VERSATILITY: Two-way zipper system for easy dressing and diaper changes; Closable seat-belt slots for easy transfer between stroller, bouncer, crib, etc.  WASH: Machine washable. Free return within 30 days.