Made from high-quality plastic materials, Comix 1 inch 3 ring binders are water-resistant and sturdy. O-ring binders can hold 200 sheets of letter-size paper. Binders include two inner pockets for the storage of small items. Featuring a clear cover, and can be personalized by decorating the covers. Perfect for school,office and home use. Since 1991, we have fulfilled this commitment and plan to enhance our service annually.