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

Input:
Product title: Claritin Anti-allergen Pillow Protector - King Size
Product description: Protects your pillow against household allergens, dust mites, pet dander and pollen. Soft, breathable fabric for comfortable sleep Easy care, machine wash & dry 7 year Limited Warranty
Product feature: 80% polyester / 20% cotton, Breathable allergen barrier fabric lets air pass through, Includes zipper protection, Allergen barrier fabric protects mattress against allergens, Laboratory tested - Quality Assured, Extends the useful life of your pillow
Product brand: Claritin
Target attributes: Size
Answer: attribute: size
value: king size
source: product title