DOLFIN Ready Room Swimming Backpack 12″ wide x 18″ tall x 7″ deep mesh-lined, perforated shoulder straps save weight lightweight/durable nylon with exclusive ripstop Honeycomb shell material 4 zippered areas with customized space 180 degree zipper on top loading panel for easy access waterproof horseshoe compartment for wet gear secure laptop/tablet padded feature in main compartment safety reflective panels side and bottom compression and loaded straps easy access front panel for team customizing embroider or screen