Zip enclosure protects child and delicate skin. Two-way zip. Made and filled with organic cotton. TOG-rated Super stretchy Bell-shaped bottom 2-in-1 transitional system with arm poppers. Keeps baby snug ergoPouch Swaddle Bags are suitable from birth and designed to be easy and safe to use and comforting for baby. The simple zip-up design will keep baby snug and securely swaddle without the need for complicated wrapping. The 0.2 TOG Cocoon Swaddle Bag is designed for Summer temperatures above 23 degrees ceslius and made from a thin layer of stretchy organic cotton fabric.