Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Volcom Men's Circle Stone Webbing Belt
Product description: Volcoms most popular belt, the circle stone is a standard one size fits all web belt in easy solid colors, the buckle and tipping are both embossed with Volcom labels
Product feature: 100% Polyester, Imported, Machine Wash, 1 1/2 inch w x 44 inch l, Deboss / enamel Volcom logo on buckle and tipping, 100-percent polyester, Package Dimensions: 6 x 1.8 x 1.6 inches, Shipping Weight: 4 ounces, ASIN: B003L4YGFM, Item model number: D5931000, Date first listed on Amazon: July 18, 2009, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.8 out of 5 stars 97 customer reviews
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None