PET jars can be used for food as they are food grade, they look very lovely when used for food. here are different ways to use a PET plastic jar for food. Yoghurt Parfait Lemon infused Water Smoothie Macarons Ice cream Salad (guess what it is made of) Sandwich in a jar Strawberry Lemon cake in a jar Chocolate cake in a jar. all desserts were made and assembles by dulcheconfectioneries, please contact dulcheconfectioneries for desserts at your next event @dulcheconfectioneries or email dulcheconfectioneries@yahoo.com. please email us if you would like to order PET jars dulchesupplies@yahoo.com or send us a message on instagram @dulchesupplies. Thank you for reading this post.