Small 3/4" x 1" aperture of this Black Multi-Purpose Netting blocks out disease-carrying small birds while allowing air circulation. This polyethylene fence outlasts chicken wire. Use multi-purpose netting for poultry operations, turkey fencing, small animal pens and garden fencing. It’s easy to install, won’t rust or corrode and is resistant to the sun’s destructive UV rays. Also used for sport fencing, crop protection from deer and leaf nets for ponds. 4'W x 50'L. Black color.