Love To Dream Swaddle UP Transition Bag, Mint, Large 19-24 lbs., Paten – Buttercup
Amazon.com: Medium size fits babies from 13 lbs. up to 18.5 lbs., approximately 3-6 months. The Swaddle UP 50/50 Transition Bag Original is 1.0 TOG. All seams are sewn on the outside