Get your hands on 30 Australia Post Medium C5 Prepaid Envelopes Letter UpTo 500g. These envelopes are perfect for sending letters and other small packages. The prepaid feature ensures that you can send your items without worrying about additional costs. The envelopes are made of high-quality materials and are designed to protect your items from damage. They are ideal for both personal and business use. Whether you need to send invoices, letters, or other small packages, these Australia Post envelopes are the perfect choice.