• Size and quantity: Our mail bags come in a variety of sizes to meet your needs. The sizes in these multipack mail bags are 6x9 inches (152 x 229 mm), 9x12 inches (229 x 305 mm), 10x14 inches (254 x 356 mm), and 12x16 inches (305 x 406 mm). The bags have a thickness of 60 microns to provide an extra layer of protection. This pack of 60 bags contains 15 units of each size. • Versatile and multifunctional: Our plastic mail bags are perfect for a multitude of uses. From shipping clothes to packaging electronics, these polyethylene bags are designed to meet various needs. They are also waterproof and oil-resistant, keeping their internal contents safe, even on rainy days. • Strong and durable: Made with high-quality polymeric materials, our package bags are built to last. Their sturdy polyethylene construction ensures they can withstand the rigors of shipping without wearing out. You can trust these postal bags to keep your items safe and protected during transport. • Easy-to-use self-adhesive tape: Say goodbye to cumbersome packing tape with our convenient peel-and-seal adhesive strip. Simply pack your items, peel the strip, and seal the shipping bags effortlessly. The self-adhesive closure ensures a secure seal, giving you peace of mind knowing your package cannot be opened unless manually cut. • Tamper-proof: Our plastic mail bags offer unparalleled resistance, keeping your items protected from dust, moisture, and rough handling. They combine a lightweight design with exceptional strength, making them perfect for various applications in warehouses, offices, and industries, ideal for sending clothes, electronics, decorations, and other products.