These easy to use self-expiring badges are ideal for visitor control. Highly visible color spot indicator signifies badge expiration. Identifies trespassers up to 50 ft away. Reveals a bright red VOID notice after one day. To activate, simply adhere the two parts together. Do not apply to vinyl, leather, suede, corduroy or silk. Can be customized with your logo, contact manufacturer for details. This product will be cheerfully replaced with one of equal value if defective in materials, manufacturing or packaging at the time of purchase. Except for such replacement, this product is sold without warranty or liability even though defect, damage or loss is caused by negligence or other fault.