luckynv portable protective box case for texas instruments ti-nspire cx/cas graphing calculator & mesh pocket and extra room for memory card and pen and accessories luckynv dimension:<br> <br> outer dimension: 8.46"l - 4.53"w - 1.89"h (21.5*11.5*4.8cm)<br> <br> inner dimension: 7.87" l - 3.82" w – 1.69" h(20.0*9.7*4.3cm)<br> <br> weight:169g,color:black<br> <br> package includes: 1 x hard case (not include calculator, pencils, eraser, graphing ruler)