This extra large dog door panel is designed for compatible sliding glass doors from 75 7/8 in to 80 11/16 in tall. The Xl-size Pvc flap is made for extra large-sized dogs, while the 180 degree swing-open design helps create wider access when moving items through the doorway. The aluminum alloy frame includes tempered glass window material. The panel supports left or right installation in compatible sliding door tracks. Listed item weight with accessories is 29.8 lbs.