From HALO®, this blanket features: All over space print  'Back is best' embroidery detail Sleeveless design to prevent overheating Front zip closure  Premium fabric; no added chemicals Use over regular sleepwear Recognized by the International Hip Dysplasia Institute as promoting healthy hip development Preemie; 14-19" and birth to 5 lbs. NB: 0-3 Months, 19-23" and  6-12 lbs. Small: 3-6 Months, 23-26" and 13-18 lbs. Cotton Machine wash warm on gentle (turn inside out and cloze zipper before before wash)/tumble dry low/Do not bleach, iron or dry clean Imported.