1. Acrylic markers. No need to shake and press during use. If you can use it directly, you will feel that the flexible pen tip is very suitable for drawing details and thin lines, and you can also draw large areas and write bold lines. 2. These acrylic pens are made of water - based ink and have a certain level of purity. They are non - toxic and odorless, and are safe and comfortable for children. 3. They are suitable for kids, artists, art students, teens and adults. 4. Widely used: You can create art projects on a variety of surfaces, such as rock paintings, ceramic and mug paintings, glass and wine glass paintings, wood, fabric, stone, metal, plastic, canvas, plastic Easter eggs, Christmas ornaments, Halloween pumpkin pictures, custom mugs and other smooth surfaces. 5. 12 bright colors: 12 bright colors of stones for your choice, including Blue, Red, Black, White, Gray, Navy Blue, Burgundy, Brown, Yellow, Green, Pink and Purple. 6. The pens write smoothly, have good coverage, are waterproof and quick - drying, with bright colors. 7. They are an ideal gift and a good choice for projects such as Christmas crafts for kids or adults, Halloween pumpkins, birthdays, Children's Day, Easter, Valentine's Day, Thanksgiving and parties.