MATERIAL: Outer heavy-duty and water-resistant nylon material. 2 main storage sections with leakproof lining. CAPACITY: Upper section is for storing cooler bag and snacks (You can also place the breastmilk bottles and ice pack in this compartment directly). Bottom section to store breast pump and its accessories. (such as Spectra S1 and Spectra S2) CONVENIENT POCKETS: A padded back pocket for holding phones or wallets. A front zipper pocket, 2 side mesh pockets and one inner pocket for storing something you need. TWO OPTIONS FOR WEARING: Sturdy grab handles and 2 detachable shoulder straps also attached, which gives alternating option to carry it. DIMENSIONS: 9.5" x 7.5" x 14" (L x W x H). Note that the upper part height is 7". LUXJA Breast Pump Bag with 2 Compartments for Breast Pump and Cooler Bag, Breast Pumping Bag with 2 Options for Wearing (Fits Most Major Breast Pump), Gray