ingredients

• 2,75 meters of fabric
• sewing machine
• stuffing (wool, bean bag stuffing, alpaca fiber)
• thread
• paracord
• safety pin
• spring clip stopper
• scissors

sources

• DIY- Thermal Cooking Bag - step by step
• https://sustainablog.org/articles/slow-cooking-without-electricity-diy-plans-hay-boxes-wonderbags/