Like new! Very gently used. Grey is size small and blue is size medium. Size guide: Small: 5-12 lb Medium: 12-18 lb From website: 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!