The custom-designed replacement shell case backplate is perfectly Compatible with Steam Deck/Steam Deck OLED Handheld Console. Fits perfectly with the console and adds even more personality to your handheld console.The back case is designed with some round ventilation holes in the fan position, which can promote air circulation better and faster, thus speeding up heat dissipation, to extend the service life of the for console.Not only does it have fan round cooling holes, but it also adds oval cooling holes for true physical cooling. Providing you with a smoother gaming experience without worrying about overheating and damaging your beloved console.This transparent back cover will let you see all the hardware of your Deck. Thanks to the transparent plate you’ll be able to identify every little component in your handheld device while sporting a unique design.Two heights of rear ons are provided to suit different types of players. The high-height ons have advanced non-slip texture to give you a safer gaming experience.