Produced by "Yuanhe" manufacturer, B5 self-adhesive bag, 30 silk opp bag, environmentally friendly and durable dust-proof plastic bag, food-grade OPP transparent packaging bag, using new polyethylene material, odorless and non-toxic. The excellent B5 self-adhesive bag has strong moisture resistance and keeps food fresh. Extended shelf life, crystal clear, beautiful, professional looking, and sturdy, is a good helper for daily family life.