These clips are made of a durable plastic.
The clips will not work for all tanks or with all of our background styles (Not recommended for: Cavern Wall, Wilson's Ridge, Malawi, or Texas Wall Background styles.) They measure roughly:
(See Pictures Above)
We do not recommend this product if the lip of the tank (trim and glass) the clips will go over is thicker than 1.5" unless altered for an alternative method of installation.
(4 clips included)
You can use these solo on the background or over top or silicone the back ground to them.
You can cut and create your own way of installing them.