Keep your shoe collection organized and easily accessible with this set of six collapsible shoe storage boxes. Each transparent container measures 13 by 9.1 by 5.5 inches when assembled and accommodates shoes up to men's US size 10.5 or women's US size 12. The clear PP plastic construction allows you to view your footwear at a glance without opening multiple boxes. The stackable design features interlocking slots on the top and bottom of each unit, enabling you to create customized vertical storage that maximizes closet or floor space. Ventilation holes in the door promote air circulation to help prevent moisture buildup and odors while keeping dust away from your shoes. These boxes fold flat when not in use for convenient storage. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.