Features: brand new and high quality The product is recommended to use for the keyboard hot plug. They are self-adhesive primers with some anti-static property. 120pcs per package, the thickness is 0.5mm. Non-adhesive primers should be used, and no glue marks should be left. Waste drain operation has been brought out. It doesn'for t take much effort to get it. Both 3pin and 5pin switch can be used, RGB LED also has a hole, which does not affect the light. It could be glued to the PCB (which has the glue on the back), used to buffer the force between switches and PCB, the typing sound should be changed. Specifications: Materials: PORON Foam Thickness: 0.5mm Quantity: 120 Size: approx.15x16mm/0.59x0.63in Package Includes: 1 x 120pcs Switch Film note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!