Innovative Marine DIY Mesh Screen Lid Clips - 15mm Fits glass or acrylic with thickness of 15mm 4 clips per pack, color: Clear Works with Innovative Marine DIY screen kits, premade screens and your own screens or aquarium lids Depth of holding area: 5/8" Length of Clip: 2" Provides a clean fishied look by holding screen or lid below / flush with the rim of the aquarium