Pure organic cotton keeps your baby comfy and safe while sleeping. The HALO(R) SleepSack(R) replaces loose blankets in the crib and is worn over regular sleepwear. Pure organic cotton interlock. Fits newborns 0-6 months, 10-18 pounds, 23"-26". Satin-stitch back is best embroidery on front. Inverted zipper for easy diaper changes. Sleeveless design reduces risk of overheating. Machine wash. Imported.