IDEAL PET PRODUCTS SINCE 1979 Perfect Pet Multi-Flex Pet Door Flap, Extra Large, 10.25" x 15.75" Flap Size

Maximum energy efficiency | Inner telescoping frame that adapts to doors of 1" to 1 3/4" thickness | Spring loaded locking slide for one-handed use | Flap Size: Extra Large 10 1/4" by 15 3/4" | Need Assistance? E-mail Ideal Pet Products customer care specialists seven days a week!