3x Maru Lube 10 Ml Silicone Oil for Puzzle Cube 3x3x3 4x4x4 5x5x5 6x6x6 7x7x7 High quality lube for your puzzle cube Maru lube is a watery type of lube So it is good for bigger cube like 4x4, 5x5 and up It will make the cube fast, but if you over lube, the cube would feel gummy so it depend on what you like 2-3 drops on 3x3x3 is plenty