Description Made of grade material, this calculator handwriting notepad is very durable and practical to use, featuring lightweight and compact design, very practical and portable, which makes you more convenient. Perfect for home, office and school. Features -Material: plastic -Size: 14.00X8.50X1.30cm 5.50X3.34X0.51inch - Premium material, energy saving and enviromental protection. - Keyboard gives you much more comfortable touch feeling and a silent using experience. - Its compact size will allow you to take it out anywhere. - Compared with traditional calculator, our product is multi-purpose and more practical. - With the pen, you can calculate and record at any time. Premium material, energy saving and enviromental protection.​ Keyboard gives you much more comfortable touch feeling and a silent using experience.​ Its compact size will allow you to take it out anywhere.​ Compared with traditional calculator, our product is multi-purpose ​and more practical. With the pen, you can calculate and record at any time.​