pouches have a capacity of 1800ml, is 1.8 times more than others (1000ml). It is easy to store 100 pencil, and also can store many kinds of school supplies, such as markers, brush pen, ruler, small notebooks,and TI-84 calculator.'s pencil pouch is made of a high-density, hardy, and wear-resistant 900D oxford material, which is 50% thicker than other's products. This pouch is also popular amongemployees' family members's pencil pouches havecustomized zippers, which is 2 times smoother than other's. The zippers work great and never get caught on the material.Our pouches are simple and easy-to-use items with 1 mesh pocket and 4 slots. They have a netbag on the bottom topens and pencils from falling out. A pocket is conveniently on the front.RecommendedGrade: 3+. NOT FORUNDER 3 YEARS. If you have any problem of this aesthetic pencil case, please CONTACTvia email. (What You Get: 1 x pencil case)