It is made through a process called vacuum forming, which involves heating a plastic sheet until it is soft and then vacuuming it onto a mold to create a desired shape.

The advantages of vacuum forming trays are that they are lightweight, durable, and can be customized to fit specific products. They also provide excellent protection and presentation for the products, making them ideal for retail display.

The materials used for vacuum forming trays can vary, but commonly include PS, PET, and PP. These materials are safe for food and medical use, making them ideal for packaging products that require high standards of hygiene and safety.

Overall, vacuum forming trays are a versatile and cost-effective packaging solution that can improve product protection and presentation while meeting the highest standards of quality and safety.