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: NuFoot Booties Men's Shoes, Best Foldable & Flexible Footwear, Fold and Go Travel Shoes, Yoga Socks, Indoor Shoes, Slippers, Black and Gray Stripe, Small
Product description: NuFoot's Men's Travel Slippers have a durable seamless construction using water- and stain-resistant Neoprene and strong nylon. Intended for indoor use, these are great for around the house as a traditional slipper or for air travel, road trips, or even around the office as a relief from those everyday work shoes With a comfortable 4-way stretch, these booties are extremely flexible for a great fit on any foot shape or size and fold easily for on-the-go convenience. The soles feature non-slip technology to ensure a secure step on any surface. Stylish, cozy, and warm, these moccasin-style slippers are a perfect combination of both form and function for the man-on-the-go.
Product price: $11.36
Product brand: Nufoot
Target attributes: Type
Answer: attribute: type
value: booties
source: product title
attribute: type
value: booties
source: product description