HDPE is a glossy, rigid material, the high density of this product makes it shatterproof. Typically cut using a table saw or a portable saw. Secure it from the top, through the pipe with a decking screw
A Flexpipe Product
For technical details and images, please search for the product using the 80/20 interactive catalogue found here: https://catalogs.8020.net/80-20-Catalog-26/C/.