Abstract: A business form combining the storage and organization of visual matter such as photographs on diagrams with corresponding written descriptions and two mailing envelopes formed from a single sheet folded to form three (3) panels. The first panel has see-through plastic overlay attached to the underlying sheet with an adhesive, forming compartments initially sealed on three (3) sides permitting insertion of the visual matter into the compartment and ultimately sealing of the fourth side by exposing an adhesive surface. On the reverse side of the first panel is an envelope face. The second panel in both sides of the sheet provides space for written descriptions corresponding to the visual matter. The third detachable panel provides space for written directions on use of the form and on the reverse side an envelope face.

Abstract: A magnetic disk reinforcement member in which in adhesive layer is spaced from the peripheral edges of the reinforcement member to preclude exuding of the adhesive beyond the peripheral edges as a result of forces applied to the reinforcement member and the adhesive layer during use of the magnetic disk. Also disclosed is a blank for completing the reinforcement member subsequent to assembling the reinforcement member with the magnetic disk to assure concentricity between the opening in the reinforcement member and the central aperture of the magnetic disk.