PET is scientifically known as polyethylene terephthalate. Also, it is a plastic resin and a form of polyester. This plastic is commonly used to make plastic packaging boxes for the display on the stores. Food grade Transparent 12 macaron insert plastic trays View More Cheap 20 pcs macaron boxes plastic clamshell packaging View More Wholesale transparent 18 pcs macarons blister trays with lid View More 10 pcs macaron clamshell packaging plastic inert tray box View More Transparent PET 50 macaron plastic clamshell packaging View More 12 slots macaron blister insert blister tray View More Disposable food grade Transparent 48 macaron blister packaging trays View More Food grade transparent clear 35 macaron plastic blister tray with lid View More