Heavy-duty EZ Storeâ„¢ patented containers have zero holes in them and can hold up to 8 gallons of liquid. They work well for mixing solutions or for building your own hydroponic system. Made with virgin, high density polyethylene material. EZ Storeâ„¢ containers are stackable, with built in hand grips, making them easy for transportation. The lid is compatible with both sizes, and has a recessed fit with a tear strip and a built in handle on the front portion of the hinged lid, creating easy access without removing the lid.