Outside dimensions: 12"L x 7.5"W x 6"H (not including side and top pockets) One zippered 1" deep top pocket with zippered outer mesh pocket Two zippered 1.5" deep side pockets with outer mesh pockets Insulated main compartment: 11"L x 6"W x 5"H with mesh pocket to hold an ice pack Two Velcro straps to hold a small pump Four Velcro straps to secure bag to rear rack Strap for attaching rear light Carrying handle on back end Clip-on shoulder strap Made of waterproof polyurethane-coated 600D polyester Top quality sturdy construction Very good condition