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

Input:
Product title: Ben Sherman Accessories Canvas Messenger Bag
Product description: This Ben Sherman Canvas Messenger is a great day to day bag., Started in 1963, Ben Sherman has progressed from its original roots as a status shirt brand into a complete lifestyle brand. The Mod movement adopted Ben Sherman as its style trademark in the 60s and the brand still epitomizes everything a teenager aspire
Product feature: Canvas, Plainweave lining, magnet closure, 20.5" shoulder drop, 13" high, 16" wide, Package Dimensions: 17.6 x 12.8 x 2.2 inches, Shipping Weight: 1.45 pounds, ASIN: B002YMHBYA, Item model number: Canvas Messenger, Date first listed on Amazon: October 22, 2009, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.0 out of 5 stars 34 customer reviews
Target attributes: Material
Answer: attribute: material
value: canvas
source: product title
attribute: material
value: canvas
source: product feature
attribute: material
value: canvas
source: product description