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: Tea Collection Little Boys' Star Shirt
Product description: Tea collection is famous for soft, durable fabrics and globally-inspired designs. each collection showcases the unique beauty of countries throughout the world and, this season, our designers travelled to scandinavia. Get ready to be the star of the party. We created a poplin button-up shirt covered with shining stars. It looks awesome. It feels great. It's the perfect way to get a little dressy for the holidays or any day you're feeling like a star.
Product feature: 100% Cotton, Imported, Machine Wash, 100% Cotton, Machine Washable., Package Dimensions: 15.5 x 10.3 x 3.3 inches, Shipping Weight: 4.8 ounces, ASIN: B008RZFXDO, Date first listed on Amazon: October 23, 2012, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.5 out of 5 stars 2 customer reviews
Product brand: Tea Collection
Target attributes: Fastening Style
Answer: attribute: fastening style
value: button-up
source: product description