Business of selling products online, It is another very growing business in Thailand with the convenience of ordering through a wide variety of online channels today and with Covid-19 situation. Affect people have reduced their travel out of the home, thus becoming a key factor in the growth of online merchandising over the past year. There were more and more new merchants as well. Today we have a good technique to help reduce costs for online trading. That is use of plastic mailers instead of mailboxes for delivery and help save transportation costs, save space, light weight, and reduce shipping cost.
 
How good is a plastic postal envelope?
 

• Safe, with good quality plastic that keep your items safe during shipping. The plastic mailer is waterproof, slip texture does not accumulate dust. Sealed, more durable than a post boxand more resistant to tearing with a plastic adhesive tab to prevent product theft or tampering. Helps to reduce the damage that may occur to the product even more. 
• More economical at the price of plastic mailing envelopes that are less expensive than post boxes. Available in a variety of sizes. They are lightweight, thus reducing shipping costs through courier services as well. 
• Clear by addressing the envelope on the waterproof plastic. Therefore, the address of the customer is not lost during the delivery of the product. 
• More beautiful with the design of plastic mailers that are unique to the shop. To make customers remember your brand and product. 
• More convenient with an easy-to-use design just put the product into the sachet and remove the adhesive tab to seal it. The product is safe and secure. Write your name and address ready for immediate delivery. You do not need to prepare other equipment like a post box that requires star tape, scissors, to bundle the box. Causing more time to pack the product 

From the advantages of plastic mailing envelopes mentioned above, it would be another interesting option for online merchants to choose to use in order to reduce costs and increase the convenience and speed of delivery to their stores. But do not forget that the use of plastic mailers should be used to suit our product category as well. Plastic mailing envelopes are becoming popular for shipping clothing, books, lightweight items or undamaged items. If it is a product that could be damaged by impacts or it has the potential to break, it is not recommended to use a plastic mailing case for shipping.