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’re available in a range of different sizes and designs. There’s one for every home…and 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’re purchasing a door that’s suitable for your pet Size: Medium Recommended for: Dogs up to 16kg Maximum Pet Shoulder Height: 46cm Product Dimensions: 31.5 wide x 39cm high Entryway Dimensions: 22.5cm wide x 29cm high