Avery Self Adhesive Paper Badges with Time Expiring Dots (Pack of 1000)

Turn Any Badge into a Temporary Badge with VOID Expiry Technology Includes 1000 time-expiring dots (22mm diameter) – easily stick onto any existing badge. Professional and visible expiry alert – the badge turns pink with the word "VOID" clearly displayed after 4 to 6 hours. Patented Avery technology – each red dot contains special ink. When covered with the white adhesive dot, the ink is activated and gradually migrates to the surface, visibly displaying "VOID" to indicate expiry. Simple, effective security – a fast and reliable solution to reinforce access control in offices, schools, events or public areas.