11x17 11" x 8.5" - Binder 2" Angle-D Ring Vinyl with Outside Pockets, Black (117910) Product Type: Ring Binder Media Format: Portrait, bound on longest side 3 layers of vinyl sealed to create a heavy duty ribbed hinge 2 colored layers of 12 gage vinyl, and a layer of clear 7 gage vinyl, sealed over rigid .135 pt. chipboard panels Standard 3 Ring, (Three) Rings, 4.25" (4-1/4 inch) Center to Center.