Crossbody Shoulder Bag Travel Hiking Daypack 15.3 x 7.5 x 3.5 inches (L x W x H). Smaller zippered one for phones, wallet or outdoor/travel sundries. 2 mesh bags in each side for water bottle or umbrella (up to largest diameter 2.5 inch). Multi-functional storage area, accessary compartment with functional pockets to keep your mouse, books, papers etc. An earphone hole on the front pocket enables you to enjoy music easily. Meanwhile the breathable shaped padded shoulder strap and back panel is extremely comfortable and lightweight, which will release heat rather than accumulate.