ConvaTec Nature + Closed Bag Matte Standard with Inspectable Window Matte bag with standard closed base, opaque with inspectable window - 32 mm Natura(R) + closed-bottom bags are single-use. They are available with the filter to allow the gas to escape and deodorize. When it is necessary to change the bag, it is sufficient to remove it and throw it in the waste. To be used with the Natura(R) + system plates. It is a CE medical device. Read the warnings or instructions for use carefully