The SEAL® family of pressure-sensitive overlaminating films and mounting adhesives. SEAL overlaminating films consist of many different types of film, such as polyester (low cost-rigid,) vinyl (medium cost-flexible) and polycarbonate (higher cost and very durable). They are also offered in an endless array of finishes and different textures. Selection should be based on visual esthetics and lighting conditions to ensure a balance of “optimalviewing” of the displayed image. Additionally, becauseeach film has different performance characteristics itis essential to understand theapplication requirements or demands when selecting a film type.