Swaddelini Grey Swaddle Sleep Sack NWT A Safe and Seamless Embrace for Restful Nights Expertly crafted from soft, sustainable, eco-friendly, post-consumer recycled nylon. A gentle touch that’s also durable. Moisture-wicking capabilities ensure dry, comfortable nights. Proudly crafted in the USA to the highest standards of quality and environmental care Large Size (12-18 pounds): Ideal for providing secure comfort to older, fuller babies.