Material: waterproof nylonDouble layer size: 22*28 * 6CM Double layer can hold 192 sketching pencil or 144 watercolor pen Single layer size: 22*28 * 3CM Single layer can hold 96 sketching pencil or 72 watercolor pen Large size pencil storage box-High quality pencil box, double layer capacity can store up to 192 sketching pencil or 144 watercolor pen. Single layer can hold 96 sketching pencil or 72 watercolor pen.The cover is made of the best polyester fiber Oxford cloth on the market and will never tear, wear or disappoint you.Elegant Design-our colored pencil box storage bag has 64 slots, which can easily hold 202 colored pencils or 136 gel pens. Elastic slot strap makes it easy for you to install and take out pencils, you can easily view and organize watercolor pen different colors?Multifunctional-widely used for painters, makeup artists, writers and professionals to store various tools, such as Prismacolor / Crayola / Marco Raffine colored pencils, watercolor pen, gel pen, marking pen, eraser or makeup brush, it is also suitable for ordinary pencil offices and art galleries?Perfect gift-it is a great gift for young people or adults for birthday gifts, Christmas gifts or back to art supplies. I believe they will appreciate your lovely gift Note: The product does not include pens