These are the plastic drop cloths you can easily purchase at the store. They are good to have for emergencies. You can protect your home from a pandemic by sealing the windows and doors. Hopefully this will never happen, but it pays to be prepared. It has a lot of uses outdoors as well. It can make a good waterproof tent to sleep under, or a poncho to protect you from the rain. Bt make sure you buy the regular ones, not the very thin plastic drop cloths.Always best to be prepared.