500+ Mini BLACK Strong Elastic Stretchable Rubber Bands Money Home School Office. DESCRIPTION: Sort Out Your Room: A great office product and accessory to help you organize and keep items together around the house, office, or classroom. Size. 23 mm in normal length, 13 mm in diameter, 1.4 mm in thickness. Reusable. Elastic and durable, can be used many times. Wide Usage: can be applied to bundle office supplies, trash cans, folders, furniture, DIY art craft in daily life. Your imagination can create lots of other art crafts such as knitting bracelets and braiding hair. Specifications: Item Type: Rubber Bands Material: Rubber Diameter: 13mm Color: Yellow