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: Amco Pourfect Original Spill-Proof 12-Cup Mixing/Measuring/Prep Bowl, Blue
Product description: Amco Houseworks, an award-winning brand, has been making cooking and cleaning easier since the 1970s. It's a commitment that's earned it the love and respect of professional and home cooks around the world. Amco Houseworks creates quality, innovative, stylishly designed kitchen tools and accessories that help people enhance the quality of their cooking and entertaining. Amco Houseworks uses commercial grade stainless steel to craft its top quality kitchen utensils and accessories.We specialize in combining precision and performance to create stylishly designed premium kitchen tools. Our products are innovative, are intuitive and easy to use for the cooking enthusiast. Introducing the Pourfect line of products- the only complete mix, measure and pour set available in the market today to help perfect standard baking gadgets. Made entirely in the USA, Pourfect Products address common frustrations and mishaps in the kitchen to make food preparation easier, more accurate and tidier for anyone. The Pourfect Product line will complement any kitchen's decor and KitchenAid appliances. In addition, the entire line is extremely ergonomic and light-weight, making it easier for people with arthritis and carpal tunnel syndrome to grip them. This Pourfect spill-proof 12 cup mixing/ measuring bowl in blue features an egg cracking ledge, measuring guides, rubber ring for stability and gull wings to eliminate overspills. While pouring, a channel aligns ingredients to flow smoothly into the mixer bowl and a pivot positions bowl on the container improving control. A flat edge on spout stops drips from running down the front of the bow. All Pourfect products bowls are dishwasher and microwave safe and are made of stain resistant polypropylene.
Product feature: 1-12 cup mixing/measuring/prep bowl, coordinates with kitchenaid blue mixers, made in the usa, Handle rests over index finger, using palm and thumb instead of grasping with your fingers, Bowl features egg cracking ledge, measuring guides, rubber ring for stability and gull wings to eliminate overspills, To pour channel aligns ingredients to flow smoothly into mixer bowl, pivot positions bowl on container improving control, dripless spout, Bpa free, stain resistant, dishwasher and microwave safe
Product brand: Amco
Target attributes: Material
Answer: attribute: material
value: stainless steel
source: product description