Cat Door Holder Latch - Installs Fast Flex Latch Strap Let's Cats in and Keeps Dogs Out of Litter & Food. Safe Baby Proof One Piece No Measuring Extra Easy Extra Large size coming soon! Available for preorder direct on our website! XL holds your door open 5.5", coming soon to Amazon! It's Strong! pet door holder is built to withstand tough abuse from the ruffest dogs on the block. Designed and packaged in the USA, our nylon and stainless-steel construction can deter the most determined pup! It's Easy! With easy access from either side of the door, locked or not, doesn't inhibit your movement whatsoever. Because there is no cutting, measuring, double sided tape or screws to fumble with, won't ruin your paint, and won't damage your home! Perfectly sized for your cat to feel comfortable and confident that no intrusive dogs pester them in their private space! It's Versatile secures to most doorknob styles and attaches and detaches quickly and easily in seconds. Discreet, low-key, and means business. can travel anywhere with you and your pets, even on vacation! will be your favorite travel accessory! Holds most doors open 4" Our one-piece design easily hooks onto most doorknobs and will safely hold the door, protecting your cats private space from larger animals!