The tube for containing is made of strong cardboard and can hold the pencils nicely, each pack accounts for 12 assorted colors, great for students. The cover of the pen holder is designed as a sharpener, which is very useful when you need to sharpen a pencil, you don't need to worry about using pencils without a pencil sharpener by the side. 4 3/8" L x 1 3/8" W