Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Marvel Avengers Backpack with Lunch Kit (Black)
Product description: This Marvel Avengers backpack can easily carry books, gym clothes, pencils and more! It features a roomy main compartment, the sides feature mesh pockets that are great for storing a calculator, note cards or even a water bottle. The lunch bag is big enough to store lunch and snack for the day and conveniently attaches to the backpack thanks to its velcro straps. This set can be hung up when not in use by the webbed locker loop. This set is designed in black/red durable fabric with accents of red with fun graphics from the hit movie Avengers age of Ultron! The perfect back to school choice for any Avengers fan!
Product feature: Officially licensed Marvel Avengers kids back pack with insulated lunch bag, Large size backpack dimensions approx 15"H x 12"W x 5"D and lunch bag dimensions approx 9.5"H x 7.5"W x 3.5"D, Features zipper closure, side pockets, adjustable padded shoulder straps and straps to attach lunch bag to backpack, Black and red in color, Suitable for childrens ages 3 and up
Product price: $29.99
Product brand: Marvel
Target attributes: Material
Answer: attribute: material
value: None
source: None