Features: Made from high quality weather-resistant heavy duty 1680D nylon with the finest craftsmanship. All edges are enforced with plastic pipes. Our liners will never sag! Stay in shape even empty. Custom made to fit each bike's pannier system like a glove. Heavy duty zippers. Easy carrying shoulder straps (most liners) and heavy duty carrying handles. Reflective 3M Scotchlite (tm) stripes (if available). Limited 5 year replacement warranty.