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: LA Linen 60" by 108" Rectangular Polyester Poplin Tablecloth - Pack of 1 - Black
Product description: Our 60" x 108" tablecloth is one of the most popular sizes of table linen. This size can be used on a standard 6 ft. (30" x 72"). This tablecloth could also be used for many home dinning tables of the similar size. The cloth is made seamless in one piece, and the edges are serged for a clean look.
Product feature: 100% Premium Quality Polyester Poplin, Made in USA, Serged edge for a clean look. Stain and wrinkle resistance; Can withstand various cleaning chemicals while maintaining it's elegant look through over 75+ wash cycles. Color fasted, 7 oz. weight making it one of the most durable fabrics for event linens. Cold Machine,Tumble Dry Low, Low Iron, LA Linen exclusive Size and care label to ensure the authenticity and quality of your item., The digital images we display have the most accurate color possible. However, due to differences in computer monitors, there may be variations in color between the actual product and your screen
Product price: $23.98
Product brand: LA Linen
Target attributes: Shape
Answer: attribute: shape
value: rectangular
source: product title