Product name: SK Fresh-Keeping Seal Bag - M (20 Pcs)
Specifications: 18cm*20cm+3cm*20 pieces
Material: PE polyethylene (ethylene homopolymer)
Heat-resistant temperature: -20°C~100°C
Shelf life: 5 years
Production date: see packaging
Product grade: qualified product
Tight and leak-proof
Intimate labels
Food contact acceptable
Can be refrigerated or frozen