The Gliding Palm Supports relieve wrist pressure to help prevent carpal tunnel syndrome and general wrist discomfort. Gliding over the mousepad encourages natural wrist movement in a neutral position. Additionally, the compact design works with or without a mouse pad. SIZES: One size fits all. DIMENSIONS: 3/4 inches height x 9 inches width x 11 inches depth. WEIGHT: 0.70 pounds. COLOR: Black. WARRANTY/GUARANTEE: As stated by the manufacturer.