For MacBook Air 13.3 inch A1466 4 in 1 Upper Cover Film + Bottom Cover Film + Full-support Film + Touchpad Film Laptop Body Protective Film Sticker(Apple Silver) Filter-Camera Stabilizer this delay is used to

this delay is used to input to the user to lift the machine into the password

and wont shake everywhere

or anywhere you can hang a strap

Top level of transmittance

Motion detection alarm

For MacBook Air 13.3 inch A1466 4 in 1 Upper Cover Film + Bottom Cover Film + Full-support Film + Touchpad Film Laptop Body Protective Film Sticker(Apple Silver) Filter-Camera Stabilizer this delay is used to1. Environmentally friendly materials, non toxic, good ductility and long life. 2. Hardness reaches 4H, anti scratch, protect your laptop in all directions. 3. Removable glue is used to ensure that it can be used for many years, and no residual glue is left when it is removed. 4. Air guide groove technology and glass micro bead technology can effectively prevent the formation of air bubbles and easily install. 5. Only 0. 2mm and thickness, does not