Pattern adhesive sealing films and mats for multi-well plates

A sealing product for a multi-well plate made by

• a) selecting a sealing material of an optimum film or mat material for a specific sealing application;
• b) treating said sealing material selected from the group consisting of;
• and
• c) coating said sealing material with an adhesive in a pattern format of a multi-well plate, wherein the adhesive covers substantially all of the surface area of the sealing material that contacts the multi-well plate but does not cover the well area of the multi-well plate and,
• wherein said sealing product can be adhered to a multi-well plate without contacting wells of the multi-well plate, using an adhesive in a pattern format and comprises a sealing material selected from elastomeric materials, fluoropolymers, mixtures of elastomeric materials and fluoropolymers, polyethylene, polypropylene, polyesters or mixtures thereof, or metallic foils, which are manufactured into a desired shape and thickness.