... kind lids Can be heat sealed to plastic, paper, glass or metal containers. And used for yogurt, juice, snacks ... Materials: PS/PP/PVC/PET/PE plastic materials, glass materials and also special protective lacquer available 5. Specification ... :ROUND: 60mm, 61mm, 65mm, 67.6mm, 68mm, 74mm, 75.5mm, 76mm, 79mm, 81mm, 88mm, 90mm, 91mm, 95.3mm, 97mm ... foil tray lids for airlines catering with high quality