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: Strong 3.281 ft. Wide x 32.81 ft. Long Self Adhesive Hardwood Floor Install System covering 107.64 sq. ft.
Product description: Strong 3.281 ft. Wide x 32.81 ft. Long Self Adhesive Hardwood Floor Install System covering 107.64 sq. ft.
Product feature: easy to install - 70% faster with no nails, no glue, no mess,, Install flooring directly over concrete even in basements. no subfloors, Increases underfoot comfort while reducing sound transmissions., Non allergenic, resistant to mold and decay, No odors, VOC free, For use with all hardwood and bamboo floors
Product brand: Elastilon
Target attributes: Stone Type
Answer: attribute: stone type
value: None
source: None