For superior spill resistance even during transport, use Cambro® translucent seal cover on all your 2 and 4 quart Camwear® polycarbonate square food storage containers. It's combined inner and outer seals work together to resist spills, saving expense and keeping employees safe. The translucent seal cover allows for easy visibility of your container's content. For convenient storage, each seal cover includes a hole on the corner for hanging Â