Anti-Tamper seals in white with a writtable surface, Anti Tamper seals are used to fix keys one to the Keytracker system's rentention pegs. Once the seal has been closed, it cannot be re opened. Prices above are based on 1000 seals per box. If you wish to purchase an amount that is not in multiples of 1000, then please call our sales team on +44(0)121 559 9000.