Grace Bio-Labs SecureSeal™ adhesive sheets are made up of SecureSeal™ adhesive, which is used to make HybriWell™ and SecureSeal™ incubation chambers. It has a thin, double-sided tape on a non-woven carrier, a clear, polyester liner on one surface, and a white clay-coated paper on the other. SecureSeal™ sheets are available in various thicknesses.