From Petunia Pickle Bottom, this backpack features: Top grab handle Padded, adjustable backpack straps Extended zip-around opening Large front open pocket with magnetic closure Exterior front zippered pocket Expandable exterior side pocket 2 x interior elastic mesh pockets Zippered padded tech compartment to fit a 17” laptop (measures 10” W at the top & 12.5” W at bottom x 15” H) Trolley sleeve goes over wheeling luggage handle for easy travel D-ring on front to clip keys or pacifier or hand sanitizer holders Easily reachable felt-lined cell phone pocket on back Insulated, anti-microbial lower compartment for your breast pump and parts, sized to fit all popular breast pump brands including those with extra-large designs When pumping days are done, lower compartment can also be used for Inter-Mix packing cubes (sold separately), shoes/gear, and other essentials Includes washable changing pad D-rings attach bag to stroller with Valet Stroller Clips ( sold separately ) Compatible with the Inter-Mix organizing system ( sold separately ) 14" W x 15.7" H x 8.3" D Weight: 2.76 lbs Capacity: 29.8 liters Imported. Designed to carry a breast pump with all the accoutrements and gear for any office or outing. The 2-in-1 Provisions Breast Pump Backpack keeps all your essentials discretely at the ready. A generously-sized insulated lower compartment is ideal for pump, parts, and coolers. Plus, a padded tech compartment for your laptop and trolley sleeve to attach to wheeled luggage makes this diaper bag commuter approved. Easily transitions to a fully functional, versatile backpack with an eye for style when the pumping days are done.