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: Medline MDS198154 Aloetouch Powder-Free Latex Exam Gloves, 9" Length, Small, Green (Case of 1000)
Product description: Aloetouch Powder-Free Latex Exam Gloves,Green,Small., 1-800-633-5463
Product feature: The latex glove with Aloe Vera, Coated inside with pure aloe vera gel, Powder-free, Fully textured - soft green color, 4 mils thick at the fingertips, Aloetouch Powder-Free Latex Exam Gloves are top-quality powder-free gloves with the benefits of aloe vera, Aloe vera naturally helps moisturize and soothe dry, chapped hands, These strong, durable, natural rubber latex gloves provide superior barrier protection and are powder-free to minimize skin irritation, Aloetouch Powder-Free Latex Exam Gloves are top-quality powder-free gloves with the benefits of aloe vera, Aloe vera naturally helps moisturize and soothe dry, chapped hands, Aloetouch Powder-Free Latex Exam Gloves are top-quality powder-free gloves with the benefits of aloe vera, Aloe vera naturally helps moisturize and soothe dry, chapped hands, These strong, durable, natural rubber latex gloves provide superior barrier protection and are powder-free to minimize skin irritation
Product price: $90.59
Product brand: Medline
Target attributes: Material
Answer: attribute: material
value: latex
source: product description
attribute: material
value: latex
source: product feature
attribute: material
value: latex
source: product title
attribute: material
value: rubber
source: product feature