A gauze bandage impregnated with plaster - dip in water for few seconds to make it flexible (pasty) and workable.
The plaster bandage can be cut into small pieces or used directly from the roll - can be used on plastic, glass, papier-mâché,  netting etc. - please note: if applied directly on skin - apply a thin coat of Vaseline before application of the bandage. Example shown below!

Size: 10cm width

Length: 2.7metres x 2 = total of 5.4metres