Nanit sleeping bag / sleep sack. Works exclusively with the Nanit baby monitor camera. Zip closure at the bottom for easy diaper changes. Brand new with tags. Velcros around the chest. $30 per sleep sack. Size small: fits 3-6 months. I have two of these! Size medium: fits 6-12 months. Size large: fits 12-24 months. All brand new in package. I accidentally bought too many!