Product Material - Made of paper and adhesive, it is easy to use and easy to remove, with excellent adhesion and clean removal without leaving any residue Product Size - You will receive 400 self-adhesive note papers with a size of 76x76mm in pink, green, blue and yellow, which can fully meet your daily needs Easy to Use - Our sticky notes are easy to remove and will stick to all surfaces without leaving any residue Multiple Uses - Great for leaving notes or reminders on walls, doors, monitors, or other surfaces, these simple yet versatile sticky notes are perfect for use in the home, office, or school, ensuring that important information is recorded and not overlooked Record Information - Simple sticky notes can record important information and leave it to other information that is not overlooked