Throwing away paint roller trays is just wasteful, and cleaning them is a damn mess.... here's your lazy-ass, smart solution! : r/lifehacks
ProDec Roller Tray Black Plastic Heavy Duty For Paint Rollers, Plastic Liners | eBay
Diall 285mm Roller tray liner, Pack of 3 | DIY at B&Q
Hamilton For The Trade 4" Disposable Paint Tray Liner Inserts (5 Pack) – My Trade Products
210/214 Metal Paint Tray and Disposable Liner
Faithfull FAIRLINER5 Paint Roller Tray Liners for 230mm (9in) Rollers - Pack of 5 : Amazon.co.uk: DIY & Tools
ProDec 5 pack Disposable 4 inch Mini Paint Tray Liners for Quick No Mess Paint Colour Changes Without Washing Paint Trays Out, Compatible with ProDec 4 inch Mini Paint Roller Trays :