EEEKit Premium Bicycle Strap On Saddle/Seat Bag Pouch and Universal Mini Rotaty Rearview Handlebar Glass Mirror for Bike Bicycle Cycling, 2 in 1 Riding Solution Kit The Kit can make your riding sports became very convience and safety; easy Installation Bicycle Strap-On Saddle Bag/Seat Bag: reflective material. Size: Small. Dimensions: 6 in x 3 in x 3 in. Capacity: 0.4 L. Weight: 3 oz. Rotaty Handlebar Glass Mirror compatible with 25mm-55mm internal diameter of the bar. Mirror Dimension:2.5" L x 1.7" W(70 x 50 mm). Buy from sellers EEEKit or Amazon to ensure authenticity and better service.