This product is a storage box made of iron with blank pans, which is durable and . They have workmanship, no burrs on the surface, and excellent texture. Can provide great help for your watercolor painting. There are many empty pans, which can meet your different needs. These pans are easy to clean and can be reused. Features -Color:White -Material: Iron, plastic. -Size: About 12.20X6.30X1.40cm/4.79X2.48X0.55inch. -These empty half pan boxes are sure to become one of your favorite painting accessories! -The size of the watercolor tin is right, just fits in your hand. You can be easy to DIY your travel watercolor kit. -It's a great present for professional artists, watercolor painters, students, beginners. -Lightweight enough to take with you anywhere you wish to paint. -Each sturdy pan locks into place inside the tin to keep from jostling in your bag or backpack. Package list: 1 x iron box 2ml empty pans