ErgoPouch Australia Cocoon Swaddle Sack Used for about a month- This is staining on the back. looks like detergent sat on it. just darker discoloration spots. tried to show in photos size 0-3m has buttons on arms so it can be used with or without arms out. Tog 2.5 smoke free dog friendly home From site- One swaddle, 3 ways to wear - arms in, hands up, or arms out. The only swaddle to grow with your baby's startle reflex