MyLifeUNIT Stainless Steel Large Mouth Single Palette Cup with Screw Cap Stainless steel double palette cup with screw cap Leak-proof with replaceable gasket Wide mouth for easy access with a leakproof screw cap Used for oil painting and other paintings to hold turpentine, linseed oil, and other mediums Designed to clip on the edge of a palette to hold solvents and oils during painting