#10 Side Seam Window Pres-Stik, 4-1/8″ x 9-1/2″, White, Poly Window, Self-Sealing, Flap Extended (Box of 500). 4-1/8″ x 9-1/2″ A Style Window, 1-1/8″ x 4-3/4″ Window Size, 3/4 left, 1/2 bottom, White Sulphite (SFI Certified), 92% Brightness, Vellum Finish, Two side Seams Under, Poly window, Self-Sealing (Latex Adhesive), Flap Extended.