Brand: AnRui

The fish tank cover clip is made of acrylic material, sturdy and durable, and not easy to deform, featuring with transparency. Clear Acrylic Lid Clip Size: Clip inner width 0.24inch (6mm), total size (L x W x H): 2.2 x 1.53 x 0.7inch/5.5x3.9x1.8cm,fit for glass top is about 0.2-0.24inch(5-6mm) thick. Aquarium cover support holder are design to slip over the end of your cover glass and then the downward clip slides over the top of your side glass,just make sure to buy the right thickness based on the thickness of your tank glass.