This is an unused set of 27.5x50mm 700c fenders that we purchased for photography but never used.
From Planet Bike:
Rugged full coverage aluminum fenders
When the weather turns ugly, Planet Bike's Cascadia ALX fenders have got you covered from the rain, sleet and snow. These aluminum beauties are tough, elegant and simple all at the same time. Whether riding around town or touring cross country, you can rely on these fenders to provide years of full-wrap coverage. These 50mm aluminum fenders are recommended for 700c tires up to 40mm wide.