For general application of foundation this miracle sponge is made from silicone with a tpu thermoplastic polyurethane coating a type of plastic that resists oil and grease this is a revolutionary beauty product that applies your foundation base perfectly unlike traditional makeup sponges it does not absorb any product so youll use 50 less product to get the same coverage to clean the sponge simply rub it with some warm soapy water it is latex free and allergy free non sensitive flake