This is a ROCKBROS Bike Front Top Tube Frame Bag designed for cycling. It is made of waterproof microfiber and PU material with polyester trim. The bag has a zip closure, and a phone holder suitable for phones below 6.5''. It features a carry handle, high visibility, and a capacity of 1.5L. The black bag is 8 inches long, 4 1/2 inches wide, and 3 1/2 inches deep, and weighs 6oz. See pictures for more details.