1.Built-in cushion 2.5 leds and one cup holder and one pen holder 3.Low weight, easy to take 4.customized size&printing 1,material:5mm density fiberboard2,size: 44*34*6CM3,weight:780g3,with 5 led,can brighten your laptop keyboard4,with a cup holder,you can place a cup of tea there,when you feel thirsty,you can get the cup easily.5,with a pen holder,it is convenience when you need a pen.6,fashion ...