New Happiest Baby Sleepea Swaddle, size S. Washed but never used. Small is for 5-12 lb Our award-winning 100% organic cotton 5-Second Swaddle takes the guesswork out of swaddling with a secure wrap...every time. And because Sleepea was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind!