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: Fafada Waterproof Nylon Mountaineering Bag Outdoor Backpack Large Capacity 40L (Black)
Product description: Thicker design in the back of the backpack. Thick sponge in the back designed to effectively fit the back of the spine curve, which enable the separation from the backpack back, can effectively reduce the uncomfortable touch between your back and the backpack. The backpack also has a scratch, wear, tear waterproof function, long life. Convenient and practical. The internal can be mounted 14-inch notebook computer, ipad, cups, glasses, outdoor sports board that shoes, masks, clothing, etc., large capacity. Thermal performance. The straps are made of strong breathable materials. The belt is adjustable, to meet the needs of different sizes. The bottom of the backpack Provide a special shoe warehouse, convenient and practical .The pockets in two sides can hold cell phone, keys and other small items
Product brand: Fafada
Target attributes: Material
Answer: attribute: material
value: nylon
source: product title