MATERIAL: Durable, ultra-lightweight LCD pressure-sensitive writing screen. Perfect for Memos, Practicing Handwriting, Memos, Shopping lists, To-do, Arithmetic, Drawing and Pictures. A good replacement of stickers and whiteboards. Main Functions: Writing and Drawing on the tablet is just like on the paper. It\'s suit for kids writing, drawing, office memo board, fridge message board and as a comunication tool. Environmental Protection:Writing or drawing with the included plastic stylus or any other suitable instrument - even your finger! Also just need to press the button on bottom, you can clean the board. You\'ll never need to search for a pen or pencil again. And you can save 1000 pcs paper every year!!! LCD writing pad is an ultra-thin and is easy to take with you in a purse, briefcase or backpack. WARRANTY :You are FREE to return your writing board, within the first, 365 DAYS, post purchase and receive a FULL refund.