If you must carry a seat bag on your road bike, make sure its nominal and carry just what you need in this minimalist seat bag. Welded seam construction and a waterproof zipper keep items inside dry. The hook-and-loop strap is constructed from seatpost webbing for the ultimate in strength and makes it easy to attach to saddle rails. The outer is constructed from an abrasion resistant material and features a reflective print design that adds visibility in low light conditions.