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: Unicrystal Women's Low Block Heel Diamante Jewelled Slingback Sandals Shoes
Product description: Unicrystal committed to providing women with handmade and unique dress and shoes nearly 20 years. Our collection is inspired and designed in collaboration with Italian and French designer. We creates comfortable, imaginative and timeless products through constant innovation and exquisite craft. We have more than 200 employees in concentrate on making the world's unique product for you. Without leaving your home, you could customize your wedding shoes with premium quality at wholesale prices. Whatever the occasion, you captures the attention of all. With these new fashion shoes with Bohemian style, you will definitely love your summer show.
Product feature: Microfiber cashmere, Imported, Heel measures approximately 0.98 inches", Rubber sole and Middle East crystal rhinestone embellished, Extra crystals and heel tips for replacement, no worry for accidentally missing rhinestone, Heel: 0.98"/2.5 cm high enough to make your leg lean and thinner, properly avoiding twisting ankle, Special shoes perfect match for casual dresses, and also for wedding dress, suitable for party, shopping and wedding, Please use our Size Chart guide located on the left of the product image, Shipping Information: View shipping rates and policies, ASIN: B01EHJER3A, Date first listed on Amazon: April 19, 2016, Average Customer Review: 2.9 out of 5 stars 5 customer reviews
Product price: $39.99
Product brand: Unicrystal
Target attributes: Type
Answer: attribute: type
value: sandals
source: product title