Polycell Lightweight ready mixed filler 1L. This filler from Polycell comes ready to use & is perfect for filling holes up to 5mm deep on internal surfaces of your home. Simply apply with a Filling & Wet Knife to plaster plasterboard ceiling coving & moulding & leave for 15 minutess to dry. It's non-shrinking or cracking to ensure it has a longer life. It can be painted over once it's dried ideal for colour matching with your existing decor.