Recycled Polyethylene Terephtalate comes from plastic that has already been used for packaging, such as the plastic bottles, this plastic is sorted, cleaned and transformed so that it can be reused as a food product, as approved by federal authorities. Some R-Pet use multilayer extrusion technology to make 3 layer material. Virgin R-PET on the inside and outside, R-PET in the middle. The percentage of R-PET can vary. However, there is also 100% R-PET products available today.