Crystal Seal Tamper-Evident ContainersDesigned to incorporate safety and sustainability in one package, Placon’s Crystal Seal Tamper-Evident plastic thermoformed food containers are 100 percent recyclable with a feature that helps minimize the potential of food tampering. With no removable byproducts or tear-away pieces, avoiding choking hazards, the double-hinged design eliminates the necessity for shrink bands or tamper-evident labels.