Using this cozy is very simple: put your quart freezer bag inside the cozy. Add your water to the bag and stir well. Then seal the bag tightly and close the cozy. Lean the cozy so it is upright and let the food do its magic. Ultralight, packable, and crushable in your pack. They will deliver hot meals even in the coldest months. Constructed of washable and breathable fabric, it retains both heat and cold, depending on what you have in the cozy. The outer fabric is cotton, liner fabric is a Mylar/hollow poly fabric (US made fabric). Dimensions and weight are approximate (see each style of cozy for full details) as these are hand crafted items, sewn by Sarah and Dani, one at a time. These cozies are Made in Washington State of domestic milled fabrics.
Sere here for the story on how Sarah created the fabric FBC Cozy!