Profile: Integra-Seal Industries, LLC manufactures 38mm tamper-evident closures, Integra lock and Dyna seal. Our 38mm tamper-evident snap-on closure is used for dairy, water and juice industries. Our Integra-lock 38mm tamper-evident snap-on cap features a flange for superior tamper-evidence and smoother appearance. Our Integra-seal uses mold technology plus superior engineering and design for fewer short tabs, which results in less capper downtime.