Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Leather Backpack Vintage Daypacks Hiking Laptop Casual Rucksack Bookbag
Product description: Description Key Facts Approx Dimension 16 inch X 10 inch x 7 inch (HxWxD) 18 inch backpack- 18 inch X 10 inch x 7 inch (HxWxD) 20 inch backpack- 20 inch X 10 inch x 7 inch Material Goat Leather Hardware Genuine Brass Structure One main compartment, 4 outer pockets Color Variety: Brown/Light Brown Main pocket can hold up to 15 inch laptop Can Be Used As Laptop Bag, Satchel Bag, Hiking Bag, Daypacks Bag, Casual Rucksack Bag, Book Bag, College Backpack, School Bag, Mountaineering Bag Travel Bag, Mountaineer Bag, Outdoor Backpack, Sports Bag, Hiking Bags, Traveling Bag, Camping Bag, Business Trip Bag, etc. Can Be Used As Please Allow - Little color difference due to the handmade item, monitor and light brightness The smell in the course of packing and shipping, but it will be disappeared in a few days air out. We are sending you one small surprise gift along with this product as a gesture of thanks
Product feature: UTILITY: This Backpack is a Multi-Purpose backpack be it office, college, school, hiking, mountaineering or a short travel trip, this backpack is just apt for all purposes., COMPARTMENTS: The backpack can hold a 15.6" Screen Size Laptop along with all your daily essentials. The bag a total of FIVE COMPARTMENTS, one main compartment to hold all your essentials and other four small pockets to keep your wallet,keys,glasses,cell phone,water etc., IDEAL FOR: This backpack can be used by School or College going Students, it can be used for Office work as it can not only hold the laptop but also all your other accessories. If you have to Travel for a short Trip or a Picnic you just need to throw in all your essentials into the bag and you will be all set to go., 100% PURE LEATHER: We at INDO CRAFT make sure to deliver good quality products. The leather used in the backpack is Goat Leather which is known for it's long term usage and durability., STYLISH: This bag would definitely add to your personality, as it gives a Classic impression to your colleagues and your friends buy this unisex bag, Product Dimensions: 10 x 7 x 16 inches, Shipping Weight: 2.45 pounds, ASIN: B01G55FVC0, Item model number: BP01, Date first listed on Amazon: July 5, 2017, Average Customer Review: 3.7 out of 5 stars 42 customer reviews
Product brand: INDO CRAFT
Target attributes: Material
Answer: attribute: material
value: leather
source: product description
attribute: material
value: leather
source: product title
attribute: material
value: leather
source: product feature