This pouch can be used for several purposes, kids can use it to carry crayons, sketch pens, with pen, pencil and eraser. You can use this pouch for travelling purpose also like to store toiletries, cosmetics, medicine etc. it can also used to arrange your miscellaenious stuff during travel. Its long skinny shape lets it slip easily into whatever space you have left in your backpack or bag. It is made up of waterproof material. It is a high quality product. The material of these pouches is cotton. It has high quality zips provided. The intent of having a pencil case is for easy portability of small item. The nylon material inside is easy to clean, so your pen case always looks brand spanking new.