Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Cute Schoolbags Rolling Backpack with Wheeled Trolley Hand for Kids Girls Boys
Product description: Thanks for ordering from "Geek-M"! we are warm and timely service to use for each customer pleasant shopping experience brings. Credibility is our principle, customer satisfaction is our pursuit! Features: Thicken strap design,comfortable to carry. Plenty capacity design, most of your daily necessities can be loaded. Scientific and reasonable compartments, makes your goods lay in the bag systematically. Specially equiped with laptop compartment, carry your tablet / laptop easily. Casual Easy style using for: School, Excursion, Going out, window shopping etc..
Product feature: Material:High density Oxford,waterproof, Polyester lining, Size:12.2 inch x 6.7 inch x 18.5 inch(L x W x H),weight:1.7 kg.Capacity: 20L-30L, Convertible between a backpack and rolling bag, Recessed three stage locking handle with push button, Large enough to accommodate iPad,14 inch Laptop,A4 Pape,Magazine,Folding umbrella,ect., Soft and noiseless wheels for stable and controlled motion, Package Dimensions: 19 x 13 x 6 inches, Shipping Weight: 4.05 pounds, ASIN: B01HEMNU2G, Date first listed on Amazon: June 22, 2016, Average Customer Review: 2.6 out of 5 stars 3 customer reviews
Product brand: Geek-M
Target attributes: Type
Answer: attribute: type
value: schoolbags
source: product title
attribute: type
value: school
source: product description