The Lincoln 9" Plastic Paint Tray Set includes: A 9" plastic paint tray
A 9" roller cover
A 9" heavy-duty roller frame
It's designed for use on smooth surfaces like drywall, plaster, wallboard, and metal, and is compatible with a wide range of coatings including paints, enamels, varnishes (satin, velvet, semi-gloss, and gloss).