Dimensions: Keyboard wrist rest dimension is about 43 x 8.5 x 2.5 cm (17 x 3.4 x 1 inch). Mouse mat with wrist rest size is about 25.5 x 23 x 2.5 cm (10 x 9 x 1 inch). Suitable for most keyboards and mice. Ergonomic Design: wave design support help to mitigate wrist fatigue and alleviate the aches and pains due to hours of typing. Antiskid Bottom: The bottom of keyboard and mouse mat with wrist rest is made of high- rubber. It's prevent unwanted movement when using. Surface: The surface makes your mouse smoothly and precisely by optical technology. Material: Silica . colour: black Package Contents: 1 * Mouse Mat 1 * Keyboard Mat Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.