1 pair (2 pieces) small blind-spot mirrors for side mirrors. Ideal for tight parking spots and busy roads, expanding your viewing angle to boost safety. Material and durability: Made from glass and plastic, these mirrors reduce glare from headlights and resist cracking, delivering durable, clear visibility in all weather conditions. Adjustable design: Full 360-degree rotation and swivel adjustment provide a broader field of vision, eliminating blind spots and improving rear and side visibility for safer lane changes and parking. Easy installation: No tools required. The strong adhesive backing allows quick, stick-on installation on any smooth vehicle surface with a secure hold. Use scenarios: - Parking in narrow city spaces where side visibility is limited. - Merging and changing lanes on busy highways to reduce blind spot risks. - Night driving or adverse weather conditions to improve visibility and safety.