The Pottery Barn Kids Fall 2012 nursery line features HALO® SleepSacks designed to coordinate with Pottery Barn Kids baby bedding. Of course, all the prints are just as cute and on trend as you'd expect from PBK. Each HALO Sleepsack ($39.50) features: Available in Small and Medium. Small fits newborns 0–6 months, 10–18 pounds, 23–26". Medium fits babies 6–12 months, 16–24 pounds, 26–30". Pure organic cotton interlock. Inverted zipper ...