Whitmor Storage Cube Organizers include all of the hardware needed for easy assembly. All you will need is a Phillips Screwdriver and a hammer. These cube organizers provide a storage and organization solution for school and office supplies, books, toys, crafts, and clothing. Whitmor is a 4th generation family-owned and operated business. Since 1946, Whitmor has been dedicated to bringing organization home by creating products that simplify everyday life. Ensuring that those products are built with integrity, value, and innovation is our commitment to you. And our promise is that we will always be here for you should you ever need us as we stand behind our product 100%. Whitmor customer service is available in English and Spanish Monday through Friday from 8 am - 4:30 pm CST. Call us and we will gladly assist you in your language. You may contact Whitmor toll-free at 1-888-944-8667 or via email at [email protected].