The Douglas® TN-30 meets the USTA requirements for official size (42’ x 3’6”). Net is constructed of 1-3/4” square mesh, 3.0 mm braided solid core polyethylene. Material is weather resistant and unsurpassed for durability boasting a 285 lb break strength. The headband is constructed of 32 oz vinyl coated polyester. 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 32# white polyester thread. The side and bottom tapes are double lock-stitched with black polyester thread. All Tennis Nets include 1/2” Fiberglass side dowels. 4 Year Warranty.