Specification: Item Type: Whiteboard Sticker Material: PET Product Size: Approx. 17.8 x 12.7 cm / 7 x 5 in Product Thickness: Approx. 1 mm / 0.03 inWeight: Approx. 134 g / 4.7 oz Package List:6 x Whiteboard Sticker 1 x Whiteboard Pen 1 x Instructions Features Good Organizer: Facilitate daily planning, write to do list, memo and shopping list. You can also record your thoughts at any time to save time and paper. This is a durable, non toxic paper substitute. Super Stickiness: It is made of high quality dry erase PET film. It can be easily adhered to smooth surfaces, such as glass, refrigerator, whiteboard, mirror, door, desk. Reusable and Removable: Its back is traceless, removable, washable and can be pasted repeatedly. It can be easily moved and firmly repositioned without leaving viscous residues or damaging the surface. Washable Material: Our sticker is made of upgraded washable materials. The surface erasure film can be easily wiped within 30 days after writing with a whiteboard pen. Practical Use: It is widely used and can be used in offices, classrooms, rooms, kitchens and other places where you want to record. It is a perfect substitute for paper, which not only saves money but also protects the environment.