TRANSPARENT DESIGNOur transparent pastel sticky notes can be attached to books or documents and does not hide important information, you can easily see the book text covered by the sticky notes. You can take notes on sticky notes so you don't leave unsightly handwriting on your text. WATERPROOF & WRITABLEClear sticky notes are made of PET material, waterproof and easy to write on, smooth surface is comfortable to hand and giving you a smooth writing experience. Pencils and ballpoint pens are recommended for writing. If you use markers, highlighters, gel pens, etc., wait to dry before wiping. EASY TO STICKYOur sticky note set is self-adhesive, good stickiness, and can be pasted anywhere you want. And it can be easily removed and placed anywhere else without leaving ugly marks. MULTI-COLOR OPTIONSOur see through sticky notes has 6 different colors like: white, pink, green, yellow,light blue and navy blue . Size:50*50mm WIDE APPLICATIONThey can be used for leaving notes or memo reminders on books, blackboards, refrigerators, walls, laptops or other surfaces. Ideal for school, office and home use.