This is for the rug pad only - not for a rug.  This very highly rated and reviewed extra large (9 ft x 12 ft) rug pad by Safavieh is currently for sale for $200 including taxes on Amazon right now - link at bottom.
 
Details from the manufacturer: Safavieh PAD130 Durable Hard Surface and Carpet Non-Slip Rug Pad, 9-Feet by 12-Feet , Grey Product Dimensions 144"L x 108"W Brand Safavieh Material 63% Polyester - 37% Pvc - Pile Height 310 Mils Size 9' 0" x 12' 0" Color Grey Weight 19 lbs PAD130-9 Size: 9' x 12' Features: -Technique: Woven.-Material: Polyester / Synthetic rubber.-Origin: USA.-Features needle-punched fabric with textured waffle-backing for improved gripping power on both hard surface floors and carpets.-Cotton backing. Construction: -Construction: Machine made. Color/Finish: -Color: Gray. Dimensions: -Pile height: 0.25''. Collection: -Collection: Padding.
 
https://www.amazon.com/Safavieh-PAD130-Durable-Surface-Non-Slip/dp/B002JPDKG0?th=1