Make your home a little more pet friendly! With a Pet One Pet Door, your pet has can come and go as they please. These clever doors are loaded with features, they're built to last ??and, best of all, they??e available in a range of different sizes and designs. There?? one for every home??nd for every pet, too! Made from polycarbonate for durability and strength Two-way locking system lets you control when your pet is allowed to leave and enter the house Two additional security latches for added strength Self-closing flap with weather seals to keep draughts out Ideal for mesh and perforated steel security screen doors, as well as single-glazed sliding doors up to 3 - 15mm Suitable for pre-cut safety glass Sliding door minimum clearance of 17mm We recommend you weigh your pet and measure their shoulder height before ordering to ensure you??e purchasing a door that?? suitable for your pet Size: Small Recommended for: Dogs up to 9kg Maximum Pet Shoulder Height: 23cm Product Dimensions: 26.5 wide x 33.5cm high Entryway Dimensions: 17.5cm wide x 24cm high