Oil sticks. I found these while cleaning. I'm selling them because I don't use them. PHOENIX Professional Water-Soluble Oil Painting Sticks – 12 Color Set 37ml Large Capacity Soft Oil Pastel - Artist Gift Pack & Travel Set - Brand: Phoenix Vibrant and smooth color development – Using premium solid oil paints, it is possible to reproduce the rich luster and texture of traditional oil painting! Easy to handle with moderate hardness, you can easily draw beautiful oil paintings on various surfaces such as paper, canvas, and wooden panels. Stylish gift selection - The PHOENIX 12 color oil stick set comes in a luxurious black gift box, perfect for painters and DIY creators. Easy blending – You can cut the sticks with a painting knife as needed and mix them on a palette to create new colors. You can also enjoy natural gradations and color mixing effects by layering different colors. Applicable to authentic oil painting techniques – As a solid oil paint, it can be used in combination with oil painting mediums. You can use various oil painting techniques such as flat brush techniques, gradation, color mixing, scratching, stippling, and layering to create traditional oil paintings that dry in 5-7 days. Enjoy watercolor effects as well – Taking advantage of its water-soluble properties, you can also create watercolor-like expressions by mixing it with water. Enjoy dynamic watercolor effects that dry quickly. It is recommended to lightly remove the hardened oil film on the surface before use. Thank you for looking.