The bins were made translucent to easily identify contents from afar. Make sure there is no surprise hidden in your classroom. They will handle any drops, tumbles, and tosses you throw at them! Standard sized bin fits into most classroom furniture. Bright Colors are perfect for STEAM or STEM color coding. Bin fits most children shoes. Color coded to help you organize your classroom, crafts, or art supplies. Bin measures 7.8 x 12.2 x 5.1. Pack of 5, lids not included.