1.The Adhesive suction sheet is made of thermally conductive iron plate and adhesive,which can be used for a long time after a single installation. 2.The Adhesivesheet can be closely attached to the back of tablet,laptop it can be attached to any flat , Please note the curve side is . 3.The heatsink cooling pad can cooperate with the radiator to maximize its effect,so that the heat dissipation area is increased. Colour:Silver Material:Iron sheet Size:40x40mm Package Contents: 10 x magnetic plates Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.