Designed to fit the Hamilton For the Trade 4" roller tray. Made from 100% recycled plastic, ensuring an eco-friendly choice. Ridged surface for effective paint roll-off. Perfect for saving time during multi-colour painting or reducing cleanup efforts. Simple to use: liners easily drop into place. Hamilton's For the Trade 4" Roller Tray Liners are a practical solution for professional and DIY painters alike. Tailored to fit the 4" roller trays from the Hamilton For the Trade range, these liners streamline the painting process, particularly when switching between multiple colours or tackling large projects.