Each clip firmly secures a corner of the screen cover to the terrarium rim without the use of extra hardware or complex installation. 
Firmly secures screen covers to prevent escapes
Spring steel snaps free for easy user access
Installs in seconds
Assured security for valuable reptiles
Color - Black
Sizes:
Small - 29 gallon and smaller - 2 pack
Large - 30 gallon and larger - 2 pack