EZ Freeze (TM) Square Food Storage Container. A great new way to have fresher, tastier and safer food on the go; just freeze and fill; featured on HGTV's "I Want That." Triple-layer design has two layers of durable, dishwasher-safe plastic plus an innovative, gel-filled core to keep food cool for up to five hours. Reusable, leak proof and a three-cup capacity. Ideal For Travel, Tailgating And Picnics. The EZ Freeze (TM) Storage Container is not microwaveable. Individual Gel colors may vary from the illustration.