• Each round sticker is made of high-quality paper, is self-adhesive, easy to peel off, and has bright, durable colors that are hard to peel off. • Includes 500 'Happy Birthday' stickers approximately 2.5 cm in diameter, ideal for decorating events, festivals, gift envelopes, and as rewards for children. • Perfect for encouraging and marking school tasks, ideal for teachers, daycares, medical offices, dentists, sports, or any place where you want to recognize good work. • Attractive stickers invite children to collect, trade, and share with friends, as well as use them as decoration. • Ideal for party decorations, classrooms, homes, gift bags, gift exchanges, and school projects. • Product dimensions: 10 cm wide, 10 cm high, 1 cm long.