Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Universal 24 x 18 in. Melamine Dry Erase Board with Aluminum Frame
Product description: Use the Universal 24 x 18 in. Melamine Dry Erase Board with Aluminum Frame to post reminders and notes. You can mount this board horizontally or vertically to suit your requirement. This erase board has melamine surface and will last for many years. Its frames are made of aluminum that adds to its durability. The dry erase board comes with attachable marker tray for easy access of the marker while writing. For added convenience, the board comes with mounting hardware. About United Stationers Dedicated to making life in the office more organized, efficient, and easier, United Stationers offers a wide variety of storage and organizational solutions for any business setting. With premium products specifically designed with the modern office in mind, we're certain you will find the solution you are looking for. From rolling file carts to stationary wall files, every product in the United Stations line is designed with one simple goal: to improve office efficiency. In turn, you will find increased productivity, happier, more organized employees, and an office setting that simply runs better, with the ultimate goal of increasing bottom line profits. Board has sturdy construction and is built to last. Frames are made of durable aluminum. Includes attachable marker tray and all mounting hardware. Can be horizontally or vertically mounted. Dimensions: 24W x 18H inches.
Product price: $21.05
Product brand: Universal
Target attributes: Type
Answer: attribute: type
value: None
source: None