Tamper Evident Security Tape,Solitary Walker Safety Prevent Opened Tape Legend &ldquo;Marks Will Be Left Once Opened&rdquo; (2 in.) 2 in. x 55 yds ,1 in. x 55 yds,Roll Length: 165 ft (55 yards) for different sizes of packaging Security tape with PET as the substrate in the opposite PET special processing to form a matrix After the taping, to wait one day after the letters to be able to stay in the surface of the carton, the carton flatness, humidity, old and new, directly affect letters displayed on the effect of the carton may be 90%, on the contrary, it may be 40% Preset message or parttern transfers completely to the box surface when tampered with and it cannot be released.In the work, use the security tape sealed you box ,the documents, files and other office supplies to provide protection.In life, to prevent others from opening your items, make your privacy will not be peep by others Do not tear off immediately after pasting, so the letters can not be displayed on the carton, tape and cardboard boxes will take some time to have effect.100% Happy Customer Guarantee: If the product performance does not meet your expectations, within 30 days, we'll replace it or give you 100% of your money back, no questions asked. Try us risk free!