Premium wiper blade 1. Natural rubber 2. 304 stainless steel rivets for extended life 3. Easy installation Premium wiper blade1. Galvanized zinc steel frame reduces corrosion.2. Aerodynamic, low profile, low lift design.3. No chattering or squeaking.4. Twin stainless steel blade backing.5. Premum natural rubber ensures a clean & silent wipe.6. Size available: 12"-28".