This U-series member is the latest in the single- sided line of products from Func Industries. The U-Series is an ultra-thin, ultra-light weight single sided performance mouse pad that fits neatly inside your laptop case. Measuring only 0.024" ( 0.6mm)thick, the paper-thin U-Series is perfect for road warriors and mobile gamers. With a unique new shape and the same precision and accuracy that has come to be expected from Func Industries, the U-series is the perfect product for the hardcore gamer and professional computer user.