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: Sabrina Silver 6mm 8mm Striped Titanium Rings for Men Women Brushed Center Beveled Edges Comfort Fit, Sizes 7-14
Product description: This quality band is made of the highest grade titanium, and is no different than the ones you can pay a lot more for. Most our Titanium Bands are matte finished, to hide scratches and very importantly theyre true comfort fit and highly polished inside to make you forget you even have a ring on. The sizing is also excellent, we carry a large variety of sizes including hard to find half sizes. Our exchange policy is excellent and our prices are more than reasonable to make your shopping experience even more pleasant.
Product feature: This Is A Very Attractive High Grade Domed 8mm Titanium Ring With Brushed Stripe Center, Titanium is a very popular Metal for Men's Wedding Bands and men's Jewelry, Polished Smooth and Rounded inside for a very Comfortable fit, Titanium Wedding bands are Hypoallergenic, Rust Proof Very Strong and doesn't bend and misshape, We Offer Accurate Sizing, as well as Very large array of sizes including half sizes, Shipping Information: View shipping rates and policies, ASIN: B07L7GFBPC, Date first listed on Amazon: December 8, 2018, Average Customer Review: 3.3 out of 5 stars 24 customer reviews
Product price: $17.11 - $18.06
Target attributes: Silhouette
Answer: attribute: silhouette
value: band
source: product description