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: Skechers Keepsakes Disko Lites Light-Up Boot (Little Kid)
Product description: Skechers is an award-winning global leader in the lifestyle footwear industry that designs, develops, and markets lifestyle footwear that appeals to trend-savvy men, women, and children. The company's success stems from its high-quality, diversified, and affordable product line that meets consumers' various lifestyle needs. Since its inception in 1992, Skechers' diverse product offering has grown from utility-styled boots to include seven Skechers brands and five uniquely branded fashion lines for the whole family.
Product feature: 100% Synthetic, Rubber sole, Non marking outsole, Package Dimensions: 10.5 x 10.3 x 4.8 inches, Shipping Weight: 1.9 pounds, ASIN: B004R0Q6P2, Item model number: 10178L, Date first listed on Amazon: September 29, 2011, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 5.0 out of 5 stars 4 customer reviews
Target attributes: Toe Style
Answer: attribute: toe style
value: None
source: None