Protect your gear while riding in wet conditions the topeak wedge drybag is made from a tough waterproof material which is sonically welded and seam sealed to provide the ultimate protection in nasty weather roll closure keeps water and mud out and contents dry mounts to saddle rails and seat post with a nylon strap system our quickclicktrade system is built into every bag we make it39s the ultimate in convenience and security quickclicktrade is topeakrsquos proprietary quick re