The Douglas® 21’9″ Pickleball net is made with a shorter height of 31″ to allow pickleballs to roll underneath. Netting is 1-3/4″ square mesh braided 3.0 mm polyethylene, unsurpassed for durability and weather resistance. Headbands are made of vinyl coated polyester and have been lock-sewn with four rows of #32 white polyester thread. Vinyl bottom tape and side pockets are polyester based and wont shrink, mildew or rot when exposed to the elements. Bottom and side tapes are double lock-stitched with black polyester thread. Net includes 1/2″ Fiberglass side dowels and center strap. Center strap is made from heavy-duty 2″ polyester white web with nickel plated web slides and straps. 4 Year Warranty.