Do away with "Plastic wrap", and use this "new" old-fashioned alternative, Bee's Wrap!
Wrap a sandwich, cheese, vegetables or cover a bowl. Use the warmth of your hands to mould bee's wrap around whatever you wish to cover. When it cools it will stiffen, holding its shape and seal.
wash in cold water with mild detergent, air dry, antibacterial qualities, made in Vermont, USA, cotton impregnated with beeswax, jojoba oil, tree resin