Universal Compatibility: Holds any phone size securely (with/without case). Adjustable Grip: Securely holds phones of various sizes with an adjustable cradle that expands from 2.3 to 4 inches. 360° rotation: For Portrait & Landscape viewing. Compact Design: Small base minimizes clutter on your dashboard. Adaptable mounting: Fits various dashboards and offers multiple viewing angles. Canadian Design, Global Quality: Designed, Assembled, and Packaged in Canada with a best-in-class warranty. Simpl Cradle Dash Mount Secure your device in a durable fortress with just one hand motion. A sturdy suction base with a gel pad further ensures your smartphone stays put through any bump in the road. Simpl Cradle Dash Mount is compatible with Otterbox - Defender, Symmetry, Commuter, Anue, Speck - Presidio, Casemate, Casetify, and UAG cases. Firm Grip for a Smooth Ride Securely affixes to both the dashboard and windshield with a robust, reusable, and flexible suction cup base, ensuring a steadfast grip even on rough terrain and bumpy roads. Note that the mount base is incompatible with curved or leather dashboards. If opting for the suction base mount, utilize the suction lever lock for added stability. How To Install Adhesive using 3M Adhesion Promoter 1. Clean the area with dry cloth. Make sure there are no dusts. 2. Use the alcohol pad to thoroughly clean the surface. 3. Apply the adhesion promoter on clean surface. Let it dry for 30-90 seconds. 4. Press and hold the 3M Adhesive tape on the applied surface for 20 seconds 5. Leave the adhesive tape for 24 hours before placing the mount.