fiberglass fire blankets

https://www.amazon.com/Emergency-Survival-AQUEENLY-Fiberglass-Warehouse/dp/B087DZ9R86/ref=sr_1_10?dchild=1&keywords=fire+smoke+hood&qid=1632761517&sr=8-10

$10 for 2 pack - 39 inch by 39 inch

https://www.amazon.com/Blanket-Guardian-Suppression-Blankets-Energency/dp/B0834VGBKN/ref=sr_1_22?dchild=1&keywords=fire+smoke+hood&qid=1632761670&sr=8-22

$20 for 2 pack - 40 inch by 40 inch

that extra inch is expensive!