<p>The robust construction of this door makes it suitable for Labradors, German Shepherds and other large dogs to 25" (630mm) shoulder height</p><p>* For dogs up to 25" (630mm) shoulder height</p><p>* Self lining to 2" (50mm) thick &#061; ideal for all doors and walls</p><p>* Robust security locking panel</p><p>* Silent action weatherproof flap with vision panel</p><p>* Lightweight flap may be used by cats</p><p>* Lifetime parts service</p><p>* 3 year guarantee</p><ul><li>17 " x 14 3&#047;8" x 1 "; Dogs to 25" shoulder height (100+) or any cat; 4&#046;07lbs</li></ul>