The Douglas Tournament TN-30 has 3.0 mm braided polyethylene netting, a 32 oz vinyl coated polyester headband with 4 rows double lock stitching, fiberglass dowels, heavy duty vinyl coated cable, 4 year warranty. All Douglas nets meet the USTA requirements for official size (42' X 3'6"). Netting is 1-3/4" square mesh braided solid core polyethylene, unsurpassed for durability and weather resistance. Vinyl bottom tape and side pockets of headbands are polyester based and won't shrink, mildew or rot when exposed to the elements. All headbands have been lock-sewn with four rows of white polyester thread. The side and bottom tapes are double lock-stitched with black polyester thread. All Douglas nets include 1/2" fiberglass side dowels.