The Outdoor Plus OPT-BLWPC60-GRY-NG 60" Gray Powder Coated Metal Match Lit Billow Fire Pit. The Billow was derived from the large crashing waves we get in California, they were an inspiration to build this unique fire pit that is sure to astound. Our Fire Pits are individually handmade and proudly manufactured in the U.S.A. The fire pits we manufacture are durable and long-lasting in a variety of environments. Because of its handmade nature slight variations in color and texture may occur.