These 60 Quart Ziploc WeatherShield storage boxes make organizing simple and easy. Grooves in the reinforced lids allow you to stack even heavy boxes on top of each other, and two of the 16 QT boxes stack perfectly on top of 60 QT box to create a customized storage solution, perfect for any space. The WeatherShield seal helps protect contents from moisture, dust, and pests. Heavy-duty latches keep the lids secure. These multi-purpose boxes are great for use in your basement, garage, boat, camper, and more!