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: GXHUANG 10-inch Skull Cake Bake Mold Aluminum Alloy Ghost Cakes Baking Springform Pan (Skull)
Product description: This cake mold is made of high strength food grade aluminum, durable and not easy deformation, uniform heating, high heat transfer efficiency, surface anode oxidation resistant treatment, safety, and health
Product feature: Size: 10x6.5x2.Washable,safety, and health, Made of high strength food grade aluminum, durable and not easy deformation, Uniform heating, high heat transfer efficiency, surface anode oxidation resistant treatment, Please click GXHUANG to see all our products, GXHUANG is a registered brand manufacturer. We offer professional quality baking peripheral products and good service, Email US for more information!
Product price: $16.99
Product brand: GXHUANG
Target attributes: Material
Answer: attribute: material
value: aluminum
source: product description
attribute: material
value: aluminum
source: product title
attribute: material
value: aluminum
source: product feature