Prima Art Extravagance ~ Rust Paste Set Prima Art Extravagance ~ Rust Paste Set Prima Art Extravagance - Rust Paste Set (103 ratings) £14.99 Quantity: at £14.99 each Add To Basket 0 in your basket View Basket Checkout Set of 3 in Gold Rust, Red Rust and Brown Rust. 1.7 fl oz (50ml) each pot Rust paste is an opaque, thick paste with a matte rust like finish. Perfect for creating rusty texture and adding dimension. For best results, apply three colours of the paste with a sponge, palette knife, texture tool or brush. Water based.