Ideal Pet Products Aluminum Sash Window Pet Door, Adjustable to Fit Window Widths from 33″ to 38″, Large 10-1/2” x 15” Flap Size

Window must be a minimum height of 20-3/8″. Adjustable width from 33″ to 38″ Flexible flap is made of clear vinyl to allow pet to see through opening and is non-toxic for added safety Flap Size: 10-1/2″ x 15″. Recommended for pets 36 to 90 Pounds Includes a lock-out slide to keep your pet safe and secure when they’re home alone The patio panel frame is elegantly white with clear tempered safety glass, blending seamlessly with your home decor