AN INVESTMENT. This laptop cooler is an investment => no component overheating => maximises the life expectancy of your PC and boosts its performances. BONUS: Receive a free copy of the eBook: 7 tips to keep your computer alive and maximise its performance by email after your purchase. LARGE MODEL. Covers the following sizes: 11 11,3 12 13 14 15 15,6 16 inches. Compatible with the following sizes: 17,3 18 and 19 inches. With these sizes, the laptop will extend over the edges of the cooler pad but will remain perfectly stable. The KLIM Wind features 2 rear legs for an excellent inclination and frontal pegs to keep it in place. Both the laptop tray and the computer will stay completely still.