Here are some key features of regular envelopes:
Versatility: Regular envelopes are available in a variety of sizes and styles to fit different types of documents, including letters, invoices, and forms.
Customizable: Regular envelopes can be customized with company logos, addresses, and other information, providing a professional look that reflects the sender's identity.
Security: Regular envelopes can be designed with security features, such as security tinting or tamper-evident technology, to prevent unauthorized access to the contents.
Durability: Regular envelopes are made from a strong and durable paper material that can withstand the rigors of shipping.
Self-sealing: Some regular envelopes come with a self-sealing adhesive strip that makes them easy to close and secure.
Lightweight: Regular envelopes are lightweight, which can reduce shipping costs.
Regular envelopes come in a variety of sizes to fit different types of documents.
The size of the regular envelope should be selected based on the size of the document being shipped. It's important to choose an envelope that is large enough to fit the document, while still providing sufficient protection.
Overall, regular envelopes are a reliable and cost-effective solution for mailing documents, letters, and other flat items. With their versatility, customizability, security features, durability, self-sealing design, lightweight construction, and different size options, they provide a convenient and efficient way to send mail while ensuring that the contents remain safe and secure during transit.