#1 RATED and #1 SELLING merino wool baby sleep bag in US and Canada since 2010. Creative Child's 2018 Top Choice of the Year Award & winner of Mom's Choice Award. | REDUCE OR ELIMINATE SLEEPLESS NIGHTS - When baby sleeps better, so do parents. Premium fabrics for best comfort: Australian merino wool lining - 100% natural, luxuriously soft, and temperature regulating. GOTS certified organic cotton outer. | THE ONE AND ONLY baby sleeping bag your baby will need until they turn two. Universal size: 2 months – 2 years. Optimal weight merino wool regulates body temperature so it can be used in all 4 seasons. | MAXIMUM VERSATILITY - double shoulder snaps and two-way zipper system for easy dressing and diaper changes; Closable seat-belt slots for easy transfer between stroller, bouncer, crib, etc. Under-arm snaps allow this wearable blanket to grow with your baby and make it the perfect swaddle transition product. | HIGH QUALITY product, backed by an industry leading warranty, from a US company with US customer service.