This is an official replacement dust cover from Audio-Technica for the AT-LP120XUSB turntable. The hinge assembly is sold separately. It's specifically designed to fit the AT-LP120XUSB turntables, part number 705-140XP-1815. Dimensions are 17.375 x 13.625 x 2.75 inches and it has a thickness of 0.125 inches. Also, there's a replacement hinge assembly available for the AT-LP120XUSB.

Using this dust cover is easy. Just place it on top of your Audio - Technica AT - LP120XUSB turntable. Make sure it aligns properly with the edges of the turntable. Remember, the hinge assembly is sold separately, so if you need to open and close the cover often, you'll have to purchase it. When it comes to maintenance, simply use a soft, dry cloth to wipe off any dust or debris from the cover. Avoid using harsh chemicals as they may damage the cover. Keep it in a dry place when not in use to prevent any warping or damage.