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

Input:
Product title: 12" Sonic the Hedgehog Shiny Toddler Backpack-tote-bag-school
Product description: Medium / Toddler Sized Backpacks are recommended for Kindergarten age or younger. Medium / Toddler Sized can hold an 8.5" x 11" standard sized folder. If your child has to carry books to school please order a Full Sized model. Medium / Toddler Sized can hold an 8.5" x 11" standard sized folder filled with
Product feature: Dimensions: 12"T x 10"W x 3.5"D, 3 Main Pockets: 1 full sized, two front; 1/3 and 2/3 sized, Side Pocket with Snap, Side Mesh Pocket
Product brand: Sega
Target attributes: Material
Answer: attribute: material
value: None
source: None