Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Roc Inflatable Stand Up Paddle Boards Holds Up To 350lbs 10' Long 6'' Thick W Extra Wide Base. Includes Adjustable Paddle, Backpack, Pump and Removable Fins. 2 Year Warranty Included
Product feature: Whether you are a novice flat water paddler or advanced whitewater river runner, ROC Inflatable Paddle Boards provide an exciting aquatic experience for all., Manufactured with military grade PVC and industry leading drop stitch construction, ROC Paddle Boards stand up to the wear and tear expected by everyday adventurers., Unlike other brands, ROC Inflatable Paddle Boards utilize a 6" sidewall to accommodate larger riders, while at the same time increasing stability and mobility., ROC Inflatable Paddle Boards deck mounted accessories include a sturdy D-ring located at the front of the board for easy leash attachment (leash not included) and durable bungee cord on the back to keep additional cargo secured while riding., ROC Inflatable Paddle Boards lightweight paddle adjusts from 67" to 85" in seconds, while the ergonomically designed handle provides all day comfort. Traditional rigid paddle boards require meticulous upkeep and lots of storage space. ROC Inflatable Paddle Boards will not chip or crack, are easy to keep clean, and require minimal space for storage.
Product price: $39.99
Product brand: Belovedkai
Target attributes: Length
Answer: attribute: length
value: None
source: None