Made Of Heavy-Duty Nylon, More Durable And Scratch-Resistant.The Front Pocket Has Enough Space To Fit Most Standard Breast Pumps And Cooler Bag (Such As Spectra S1, Spectra S2 And Medela Cooler Bag). There Are Also 2 Zipped Pockets To Store Keys, Tissues, Phones And The Like.You Can Put A Regular Si..