100pcs/Lots White Courier Bag Express Envelope Storage Bags Mailing Bags Self Seal Plastic Poly Packaging Pouch Waterproof New

Keep your packages safe and secure with these high-quality white plastic mailing bags. Designed for reliable shipping and storage, each bag features a self-sealing strip for easy closure and resealability. Made from durable, waterproof polyethylene material, these envelopes protect contents from moisture, dust, and minor impacts. Ideal for businesses, offices, schools, and individuals sending letters, documents, or small parcels via courier or postal services. The clear, crisp white finish gives a professional appearance, while the compact size ensures efficient use of space. Perfect for everyday mailing needs, these reusable storage bags are both practical and eco-conscious.