These are excellent for your plecos to breed in. The pinched close back end is tapered and allows your plecos to protect there eggs and feel safe. These come in different hole sizes depending on the size of your fish. These all have a matt finish and are hand made.

Small:
Size: 5" Long
 
Outside Square Size 1.25"
 
Inside Round Size 3/4" - 1"
 
 
Medium:
 
Size: 6" Long
 
Outside Round Size 1.75"
 
Inside Round Size 1.25"
 
Large:
Size: 7" - 9" Long
 
Outside Round Size 2.25"
 
Inside Round Size 2.0"
 
XLarge:
Size: 8" - 10" Long
 
Outside Round Size 2.75"
 
Inside Round Size 2.5"