SIZE & QUANTITY – This pack includes 500 plastic mailing bags in 5 practical sizes to suit your shipping needs: 4x7", 6x9", 9x12", 10x14", and 12x16". You get 100 bags of each size, making it a cost-effective and versatile choice for daily use. Each bag is made with durable 100-micron thick polythene for added strength and protection. MULTIPURPOSE & VERSATILE – These grey vinted shipping bags are perfect for a variety of uses, including shipping clothes, parcels, books, electronics, and accessories. Whether for home, warehouse, or business use, they offer reliable performance. These packaging bags are waterproof and oil-resistant, protecting contents from the elements. STRONG & DURABLE – Made from premium-quality polymer material, these parcel bags are built to withstand tearing and punctures. Their sturdy construction ensures your items remain safe during storage and transit, giving you peace of mind for every delivery. SELF-SEALING & EASY TO USE – Equipped with a peel-and-seal self-adhesive strip, these poly postage bags provide hassle-free packing without the need for extra tape. Just insert your items, seal the flap, and your package is ready to ship — quick and secure. TAMPER-PROOF & SECURE – Designed for safety and discretion, these plastic mailer bags are tamper-evident, making them ideal for sensitive deliveries. Lightweight yet tough, they’re a dependable solution for eCommerce, small businesses, or personal use.