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 size lunch box in the main compartment. It also has a laptop pocket (up to 14’’), 2 pouches with elastic top & 1 zipper pocket for laptop accessories or daily supplies. 2 side pockets with elastic bands can hold bottles or other items. Thick padding inside the shoulder straps and sturdy hand straps which make it to be carried easily & comfortably. Dimensions: 13.5" x 6.5" x 17.5" (L x W x H). This breast pump bag offers organized space for pump and laptop to meet your work & daily needs.