100% cotton, heavyweight, high quality, white t-shirt with the Marine Depot logo printed on the front center.
This is a fired ceramic disk that does not need to be soaked before using. Plugs fit into eggcrate and are excellent for frag grow out. Measurements: 3/4" Round with 1/2" stem length
Size 3x3" ideal for sandbed soft coral growout disks can be easily removed and replaced for swapping.