This dataset contains two files : 1. Calculations_quality index : This excel file contains, for all collected permeation data, the calculations and assessment of the quality index. 2. Data collection and applicability : This file contains all the collected data and metadata of the articles from the literature. On other sheet can be found the different calculations necessary to apply the bilayer model: units conversion, both for Water Vapor data and for Oxygen, and finally the calculation of predicted permeability values from the bilayer model.