The robust construction and security locking panel are popular features of this Dog Mate medium dog door. This medium door is suitable for Spaniels, Terriers, Poodle, Beagles etc. up to 460mm shoulder height. Self lining to 50mm thick – ideal for all doors and walls. A robust locking panel provides security and makes it clear to your dog when the door is locked. Silent action weatherproof flap with vision panel. The lightweight flap may also be used by cats. Draft and weatherproof brush sealed flap with magnetic closure, with rainproof seal.