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: Set of 6 Early Years Retro Reflector Glass Finial Christmas Ornaments 3"
Product description: Step back to a time of simpler days and enjoy the warm, nostalgic spirit of the holiday season. The Early Years collection has recreated these treasured keepsake ornaments that used to decorate our Christmas trees decades ago . Perfect for tree trimming or use to decorate wreaths or garland. Product Features:. Hand-painted in an assortment of colors. Each ornament has a retro reflector center. Fully dimensional ornaments. Each comes ready-to-hang with a silver metal hanger Dimensions: 3"H x 2.25W x 2D. Material(s): glass
Product feature: Set Of 6 Retro Glass Christmas Ornaments, Multicolor hand-painted finial ornaments, Dual color retro reflector center, Equipped with a silver cap for hanging, Measures 3.25 inches high by 2 inches wide by 2 inches deep
Product brand: Kurt Adler
Target attributes: Material
Answer: attribute: material
value: glass
source: product title
attribute: material
value: glass
source: product feature
attribute: material
value: glass
source: product description