The GLI 700021RDBLK160 21' Round Armor Shield is a Polypropylene Geotetile material that prevents cuts and punctures to the liner caused by rocks, roots, grass and glass. It also reduces heat loss and provides a comfortable floor pad.

Specifications: 

• Brand: GLI
• Model Number: 700021RDBLK160 
• Pack Size: 1
• Item Size: 21'