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

Input:
Product title: Joseph Joseph 3.5-Inch Elevate Paring Knife with Integrated Knife Rest and Storage Sheath
Product description: The Elevate 3.5-inch paring knife has a non-stick silicone coated Japanese steel blade with an ergonomic handle. The knife has an innovative weighted handle with an integrated knife rest, ensuring when the knife is placed down, its blade is always raised off the work surface-improving hygiene and reducing mess. Each knife comes with its own protective storage sheath to keep knives from dulling in the drawer and to protect hands. Blade measures 3.5-inch. Hand wash and dry.
Product feature: Non-stick, silicone-coated steel blade with ergonomic handle, Innovative handle design keeps blade off work surface, Improves hygiene and reduces mess, Knife comes with protective storage sheath, Hand wash and dry
Product brand: Joseph Joseph
Target attributes: Set Size
Answer: attribute: set size
value: None
source: None