High Quality Material&Accessories：The black pencil case is made of durable lightweight oxford material, it's water-resisitant, tear-resisitant and washable.But you cannot put it in water, because the zipper are not waterproof.The brand metal zipper puller and smooth zipper provide longer service life. Large Storage: Dimensions are 8.2*2.55*4.5in (20.5*6.5*11cm). Roomy space fits up to 70 pencils or pens, makers,erasersticky notes, and other stationery or electronic components. Perfect to carry your school stationery or small work items. Simple&Convenient Design: Roomy space with 2 compartments to separate organize your items. Front one to hold your frequently used pens. The main pocket to store more items you need. Quickly to get what you need. Multi-functions:This pouch bag can be used for many people as many different purposes, it can be a pen case for students, a stationery bag for whom when go to work, a practical cosmetic bag on a trip, a electronic products bag or small tools bag, etc.