... Can be heat sealed to plastic, paper, glass or metal containers. And used for yogurt, juice, snacks, confectionary Henan Oneworld industrial ... Can be heat sealed to plastic, paper, glass or metal containers. And used for yogurt, juice, snacks, confectionary or similar ... PS/PP/PVC/PET/PE plastic materials, glass materials and also special protective lacquer available5. Specification:ROUND: 60mm, 61mm ...