Can You Bleach A Polyester Backpack?

Can You Bleach A Polyester Backpack? 2. Using a small amount of bleach-free gentle detergent, wash your backpack on your washing machine’s gentle or delicate cycle with cold water. 3. Remove the backpack from the washing machine and turn it right-side-out. How do you whiten yellowed polyester? Use a chlorine bleach if necessary. Fabric softener