Viega FostaPEX is is a "form stable" PEX with a layered, aluminum-wrapped PEX tubing that is flexible enough to bend but will still hold it's shape. This direct mailpiece highlighted the features and benefits of our superior product and it is ideal when used for potable water and radiant applications. It featured an actual "sample" of Viega FostaPEX tubing that was fastened to the piece and sent to the customer in the mail.