Color: As shown in the First image. Quantity and size : As shown in the title or description. Attachable Computer Table Arm Support Mouse Pad Features: The Weight of the For earm is Distributed over a Large Area. This Reduces Localized Pressure on the Wrist and Eliminates the Constant Tension on Muscles in the Neck, Arms, and Shoulders That So Many Computer Users Experience Behind Its Simplicity, the Pad Hides a Few Useful Tricks. It Can Be Adjusted to the Desired Position and While the For earm is Placed on the Padlocks Itself in Place The Armrest is Extremely Portable and Installs Simply and Quickly It Can Be Disassembled in Seconds and Can Be Easily Carried in a Briefcase or Computer Bag. The Pad Has Been Extensively Tested For Strength and We Are Confident That Under Normal Use, It Will Not Crack or Break Features: Material: Strong ABS Plastic Pad Size: 29x12cm; 11.42 '' X 4.72 '' Application: Easily Attaches to a Computer Desk Up to 4.8cm (1.9 '') Thick Includes: 1 X Pad