5sets Car Opening Door Anti-Collision Safety Warning Reflector 1. Prevent tailgating and get home safely 2. Strongly reflective and stylish 3. Water and sun protection, safety enhancement 4. Personalized and eye-catching, durable and long-lasting 5. Conspicuous and eye-catching warning stickers to warn oncoming traffic and improve night driving safety 6. Prismatic reflective principle, reflective effect can be produced when encountering light source 7. 300m long distance reflection, improve vehicle visibility, reduce the probability of collision at night 8. Wide angle reflection, reducing blind spots 9. Material: pet 10. Size: about 8x12cm 11. Specifications: 4 sheetsset Usage 1. Wash and dry the car body 2. Remove the release paper from the back of the sticker 3. Align the sticker and slowly apply it from one side to the other. 4. Press down on the sticker after application to make it stick firmly, do not wash the car for 24 hours