Smilesys Spa is an Italian company that produces resealable packaging systems. One of their products is called 03 SG Green, which is a resealable top film suitable for direct sealing on eco-friendly materials like paper, cardboard, or wood pulp. It is recyclable and peelable from the tray after use. The resealable feature helps maintain freshness while allowing the packaging to be reopened over 20 times.