Specification:Material: AcrylicThickness: 4mmSuitable for motherboard: For ATX motherboardSize: 330 x 268mm / 12.99 x 10.55 inch (appr.)Package List:1 x Acrylic Frame 1 x Wrench1x Mounting screw1x BracketNote:1.Need to be patient and follow the instructions to assemble and DIY.2.Support for ATX motherboard.3.Regular maintenance of the acrylic panel will maintain the brightness as before.