This fits your?. Make sure this fitsby entering your model number. 100% Polyester The original wearable blanket. Use over regular sleepwear to take the place of loose blankets. 100% polyester micro-fleece. TOG: 1.0. Size preemie fits birth-5 lbs; size small fits 10-18 lbs; size medium fits 16-24 lbs; size large fits 22-28 lbs; size extra large fits 26-36 lbs. Unzips from the bottom for easy diaper changes. Generous sack design allows room for kicking, but cannot be kicked off so baby stays warm all night. #1 Choice of hospitals. Used by hospitals nationwide for safe sleep education. Recognized as Hip Healthy by the International Hip Dysplasia Institute. Back is Best embroidery reminds caregivers to place baby on his or her back.