Recommended Age Group: 3 years+ (Case only, pens not included.) STANDARD SIZE BINDER POUCH - This pencil case measures 9.8' x 7' (25 x 18 cm), large enough to store pens, pencils, and other items. Standard size for storing in 3-ring binders. DURABLE CANVAS MATERIAL - Made of strong canvas material with a premium smooth zipper and clear PVC top. Built for long-lasting use and easy visibility of your items. TWO ZIPPER COMPARTMENTS - Each pencil case is equipped with two compartments. A large compartment with a PVC top and a small one with a mesh top for better organization. WIDE APPLICATION - Perfect for offices, schools, teachers, and students. This versatile binder pouch can be used not only to store pens, pencil sharpeners, markers, and pencils but also to store craft supplies, small toys, etc.