1. Triangle Structure: Our Car Cupholder Laptop has an overall triangle structure. Mathematically, a triangle is the most stable shape, so this mount also has great stability. 2. Non-Slip Pad Fixation: Our Car Cup Holder Phone Mount ensures that your phone or tablet is firmly fixed and is more stable than a unipolar mount. It also prevents scratches on your phone. 3. 360° Rotation: Cellphone Cupholder has a 270° tilt lever arm and 360° rotating ball head, which can be rotated and used at any time. The reading angle can also be changed and can be switched freely. 4. Easy to Install: No additional tools are required to install the Cupholder Tablet Mount. insert the base into the cup holder and turn the knob to tighten it and prevent the tablet mount from moving. 5. High Applicability: Tablet Cup Holder Mount is easy to adjust and highly applicable. Its height and angle can be adjusted at will, and it can be used by both adults and children. Does not obstruct the view of the dashboard. Fits most cars, cars, recreational vehicles, trucks, and other vehicles with standard-size round cup holders. Installs and removes in seconds without tools. Reinforced non-slip silicone metal clips keep your electronic devices stable and can protect your tablet. 360° rotating car phone holder for any viewing angle. The holder has an extension arm for greater depth and longer length. Applicable mug holder size: 3.5-3.9in Applicable cell phone tablet: 4.3-8.6 in color:Black Material:ABS Package Contents: 1 x Phone Cup Holder