Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Princess and the Frog "Trust Your Heart" Micro Raschel Throw Blanket
Product description: Untitled Officially Licensed Made of soft 100% polyester fleece Measures 50"x60" (127cm x 152.4cm) Machine washable
Product feature: Measures approximately 50"x60" (127cm x 152.4cm), Made of soft 100% polyester fleece, Machine Washable, Warm up with your favorite team
Product price: $39.99
Product brand: Northwest
Target attributes: Weight
Answer: attribute: weight
value: None
source: None