* TEAR RESISTANTThis pack of 500 white poly mailers is perfect for all your shipping needs. The self-sealing and peel n seal features make it easy to use and secure. The interior dimensions of 9x12 provide ample space for your items to fit comfortably. These mailers are made from high-quality material and are durable enough to withstand the rigors of shipping. With fast shipping times, you can rest assured that your packages will arrive on time. These mailers are suitable for a variety of items and are ideal for business use.