Pure organic cotton keeps your baby comfy and safe while sleeping. The patented 2-in-1 swaddle band attached to the wearable blanket allows your baby to be swaddled with arms in, or arms out as a transition out of swaddling. Available in Newborn and Small. Newborn fits babies 0-3 months, 6-12 pounds, 19-23". Small fits babies 3-6 months, 13-18 pounds, 23-26". Pure organic cotton interlock. Replaces loose blankets in the crib. Adjustable Velcro closure on front band for safe, secure swaddling. The SleepSack(R) has a zipper front closure. Inverted zipper for easy diaper changes. Personalization is available for an additional $7.00. Machine wash. Imported.