Product Details: Brand: ROCK BROS Material: Nylon + TPU Net Weight: 0.66 lb ( 299g ) Capacity: About 2L Color: Black Plus size bag: measures 11x 19 cm (Fits any phone up to 7 inches). Sensitive touch screen made of TPU. Side pocket design: The space of the frame bag is divided into 2 separate pockets. Easy to install: With Velcro fasteners, you can quickly and easily attach the frame bag to your ebike. Details: Reflective strips on the side of the case ensure safety at night Waterproof fabric to keep your items dry even in bad weather