The two pack of Zilla Heavy Duty Screen Clips are designed specifically to conform to the frame of the tank so that you can ensure that your reptiles, amphibians and creepy crawlies won’t succeed in making a great escape from their enclosure. Easy to install in just a few seconds, the clips keep the screen cover situated firmly in place at all times. Despite their durability and toughness, it is just as easy to remove them to lift the screen of for feeding or cleaning purposes.