This is Double L’s Red Rooster Poultry Flooring. They come in 2 foot by 4 foot sections. It has a 50% opening for great manure filtration. The openings are 3/4″ by 3/4″ and can be used with any size of bird. They come with reinforced premolded screw holes for fast assembly. Made with no break polypropylene gives it a smooth, nonporous surface which is easy to clean and disinfect. The noncorrosive material will not harbor bacteria, rot, rust, or absorb water like wood slats. 4 foot sections can be easily carried out of the poultry house for cleaning with power washers without having to disassemble the floor. For all your poultry flooring needs, ask for Double L’s Red Rooster Flooring. .