This ingenious RSVP Collapsible Silicone Coffee Filter Cone collapses for easy kitchen storage and is ideal for travel and camping. Expand the filter cone, insert a paper coffee filter and you're ready to brew a fresh pot or cup. Place the holder upside down and flatten with the palm of your hand when it's time for storage. Made from durable, rugged silicone withstanding temperatures of -40 F to 455 F. Holds #1-#6 paper cone shape coffee filters. Dishwasher safe.