The aerodynamic wedge shape lets these under seat bags slip easily through the wind while the internal pockets keep tools away from inner tubes and other delicate items.6.3" x 3.1" x 2.9"85gWeather resistant, covered zippers keep contents dry3M reflective strip for increased nighttime visibilitySmall: 6.3" x 3.3" x 3.3"Medium: 7.5" x 3.7" x 3.9"Large: 9.1" x 5.1" x 5.5"1000-denier Cordura PlusFitting for taillightDX bag has an internal packet to keep tools away from delicate itemsItem SpecificationsColorBlackTotal Volume25in3