1. Shape: round 2. Material: copper plate sticker 3. Scope of application: stickers, sealing stickers, decorations for teachers to reward students 4. Use glue type: environmentally friendly hot glue 5. Use bottom paper: glassine bottom paper 6. Tensile strength: good 7. Printing form: rotary machine 8. Long-term temperature resistance: 70 (degrees celsius) 9. Size: a single diameter of 3.8 cm, a roll of about 7.3 cm in diameter 10. Weight: about 115 grams