Fulfilled by our friends at Dreamland Baby. The Dream Weighted Sleep Sack is designed to help your baby feel calm, fall asleep faster, and stay asleep longer. The sack features our exclusive CoverCalm® Technology, evenly distributed weight from your baby’s shoulders to toes to naturally reduce stress and give your baby the feeling of security and comfort - just like a hug. The gentle weight is located on the front (or top) of the sack only, and will not restrict movement, so your baby can safely roll, sit or stand! A dreamy way to help your little one get the sound sleep they deserve! Don't forget to add your matching PJ's!. This sleep sack is a 1.0 TOG, perfect for 68-73°F or 21-23°C. This item only ships within the United States.