The NewAgePet Vinyl Door Flaps are sized to fit all NewAgePet Dog Houses. These vinyl door flaps are easy to install/remove and available in sizes Medium, Large and Extra-largeThese plastic door flaps are easy to install and include all of the hardware needed to install properly on the dog house.Available in three sizes- Medium, Large and Extra-LargeMedium door flap measures 11.5″W x 14.5″H and fits our Medium size Bunkhouses perfectlyLarge door flap measures 14″W x 18″H and fits our Large Bunkhouse, Extra-large Rustic Lodge and Extra-large ThermoCore dog houses perfectlyExtra-large door flap measures 15.5″W x 19″H and fits our Extra-large and jumbo, Rustic Lodge dog houses perfectly. Color: Clear.