Description: Stable performance: Strictly in accordance with quality control standards, with stable characteristics and performance.The upgraded red layer reinforces the compactness so the wiper won't shake a lot. Reliable quality: No-Streak, Silent. Made of reliable quality material, our wipers enable smooth operation and low noise for all season. The wear resistant wiping edge contributes to longer service. Direct fit: Easy installation for your old or broken wiper blade, easy to install. Please check your make model year according to our picture and description before a purchase. This is a non-OEM product, accessory only! Specification: Driving Type: Left Driving Material: Rubber, Plastic Color: Black Design: Upgraded Stability Layer Mounting Type: Pinch-Tab, Not J / U Hook Blade Size 1(Driver Side): 23 inch Blade Size 2(Passenger Side): 21 inch Fitment:for Cadillac STS 2004-2011Package Included:1 Pair Front Windshield Wiper Blade