First, Clean you desk, then place the two suction cups on the desk.
Put you laptop on them.
Material : Plastic
Color : Gray
Size : 4 x 2cm/ 1.6"" x 0.8"" (D*H) 3.3 x 1cm/ 1.3"" x 0.4"" (D*H)
Weight : 20g
Package : 4 x Laptop Suction Cup Cooling Feet