These rocks are smooth which leaves you with a large and smooth surface for painting art. They are smooth without so they can won't hurt your hand skin. You can paint these stones with your friends to enjoy happy time. Features -Color:Grey -Material:Stone -Size:5.00X3.00X1.00cm/1.97X1.18X0.39in -Note: Random shape stone, size about:3-5cm. -Note: Natural products vary in weight due to different size -You and your friends can create DIY painting and graffiti on the painting rocks, a good for you. -Add your own designs, images, text, and inspirational quotes, and you can express almost anything that comes to mind -The stones are all cleaned, so they are ready for painting right out of the bag. The stones can also add color to your potted plants and fish tanks -You can draw and make graffiti on the stones, which can develop imagination and creativity -Natural stones, each size is random, sturdy and not easy to break. Smooth surface, fine polishing, round edges, will not hurt your hands, safe to painting Package list: 20 x Diy Painting Pebble