The fan shock absorption silicone pad is applicable to any standard 120mm DC and AC fanIt is easy to use,Convenient to fix in between your pc case and fan,it can shock absorption and reduce noise ,it can use on computer or other industrial fanMake your computer fan and mainboard work longer and betteColour:blackMaterial:rubberSize:12cm x 12cm / 14cm x 14cmPackage Contents:10 * Fan Shock PadOnly the above package content, other products are not included.Note: Light shooting 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.