The Timbuk2 Goody Box attaches right to your top tube and even stays dry in nasty weather, thanks to a TPU liner. . Now you don't even have to get off your bike to access your smartphone or wallet. Velcro straps make for easy attachment to your top tube. Clear external smartphone pocket offers element protection without compromising touchscreen functionality. Separate external stretch pocket. Secure, separate slots for your ID and credit cards. Waterproof TPU liner. Reflective hits for increased visibility in low light. Dimensions: 5.7 x 2.8 x 2.8 in.. Weight: 0.3 lb.