The TamperAlert Hinge protrudes outward when torn, alerting the customer that the container has been opened. The hinge remains attached to the container, for no loose plastic pieces. ClearPac® SafeSeal containers function as an easy to re-close and re-open, leak resistant two-piece container once the hinge is torn. Features exceptional performance in cold temperatures and accommodates freezing down to -22°F. Embossed Bottom. ProPlanet SealThis product earns Dart's ProPlanet Seal because it contains 100% post-consumer recycled content. Food Container Type: Hinged Lid Container; Material(s): rPET Recycled Polyethylene Terephthalate; Material Type: Plastic; Interior Volume Capacity: 32 oz.