Materials
Thermal bags are usually manufactured with varying quantities of the following materials:
- PET film (biaxially oriented) (Mylar, etc.)
- Styrofoam
- Fabric
- Nonwovens
- Polyethylene
- Polyurethane
- Polypropylene
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—Julia Marlowe (1866–1950)
“Though the hen should sit all day, she could lay only one egg, and, besides, would not have picked up materials for another.”
—Henry David Thoreau (1817–1862)
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—Franz Grillparzer (1791–1872)