Never question a call when you have the Tandem (R) 1" Professional Webbed Court Line. This court boundary line system adjusts for quick and easy court size modification. Get a more authentic feel for the court size when you practice with this webbed court line. FEATURES: Durable and adjustable nylon court boundary line system Designed for a regulation 30' x 60' court or a 8m x 16m USAV short court Made with a 1" thick nylon material Allows for quick and easy court size adjustments Includes a conventional plastic reel for easy storage Manufacturer's warranty: 1-year For additional information relating to the Manufacturer's Warranty, please contact 1-800-766-1098.