Ideal Pet Products 13-3/4-in x 18-5/8-in White Plastic Large Dog Door for Entry door

Flap size is 10-1/4-in by 15-3/4-in to accommodate large pets

Ideal for large sized pets weighing up to 90-lbs and up to 10-in chest width

Heavy duty, double-walled flap creates a strong barrier and seals out wind, cold, heat, and rain for increased energy efficiency

Flap is constructed of hard plastic panels with flexible joints to prevent trapping of your pets delicate paws, ears and tail

Frame mounts directly through any standard interior or exterior door to provide a discrete and attractive entrance for your pet

Flap has a unique magnetic closure system that doubles the wind resistance and ensures a super-strong seal when door is not in use

Comes with a rigid lock-out panel that slides into grooves on the inside of the frame and snaps into place to effectively lock the door

Tamper-proof mounting system, lockout panel, and heavy duty self-closing flap deter unwanted pests from entering your home