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: Leaper Causal Style Lightweight Canvas Cute Backpacks School Backpack (Medium, Dark Blue)
Product feature: Material: High quality Canvas, Size: 11.2*16.5*5in (L*H*W), High volume Backpack with embroidery in front side, This bag can accommodate a 14-inch-computer, Adjustable strap to make sure everything stays securely in place and holds almost anything you would need in several., There are sunglass holder on strap and little metal ring on the front of bag which can hang your little accessories and key around you, and side pockets on both sides of the bag, can place phone bottle umbrella, etc, For more than 15 years, Leaper has specialized in creating unique backpacks to satisfy every need., Products include laptop bags, casual backpacks, daypacks, travel bags, outdoor bags, school backpacks, rucksacks, handbags, messenger bags, and toiletry bags., We are constantly updating our designs to keep up with global fashion trends and meet customer demands., Well designed and high quality backpack set., Multi-Colors, Different Sizes Available., Offers smooth sturdy zippers for better performance, and easy close/open., Delicate stitches, finished seams for added durability and extend its life., There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item., Well designed and high quality canvas laptop bag, Durable and smooth zipper, Size: Backpack: Approx.11*4.9*15.9in (L*W*H), fit laptop up to 14"., Weight: backpack: approx. 0.54kg,, The padded back and straps can erase the weight and make comfort., Occasions: Daily use / school / travel /shopping., Well designed and high quality canvas laptop bag, Durable and smooth zipper, Size: Backpack: Approx.11*16.5*4.7in (L*H*W), fit laptop up to 14"., Weight: backpack: approx. 0.54kg,, The padded back and straps can erase the weight and make comfort., Occasions: Daily use / school / travel /shopping., Material: High Quality Water-resistant Polyester, Lunch Bag: 8.4*6.3*6.7 in (L*W*H); Fully Insulated interior design, Pencil Case: 7.8*2*3.3 in (L*W*H);, Material: High Quality Canvas, Lunch Bag: 8.4*6.3*6.7 in (L*W*H); Fully Insulated interior design, Pencil Case: 7.8*2*3.3 in (L*W*H);, Material: High Quality Canvas, Lunch Bag: 8.4*6.3*6.7 in (L*W*H); Fully Insulated interior design, Pencil Case: 7.8*2*3.3 in (L*W*H);, Material: High quality Canvas, Lunch Bag: 9.05*6.57*6.5 in (L*H*W); Fully Insulated interior design, Pencil Case: 9.8*2.59*2.75 in(L*W*H);, Package Dimensions: 17.3 x 12.6 x 1.7 inches, Shipping Weight: 1.35 pounds, ASIN: B00T4AVAAQ, Item model number: BP-2023, Date first listed on Amazon: April 27, 2017, Average Customer Review: 3.9 out of 5 stars 10 customer reviews
Product brand: Leaper
Target attributes: Type
Answer: attribute: type
value: school backpack
source: product title
attribute: type
value: school backpacks
source: product feature
attribute: type
value: school
source: product feature