If you want permanent hold, you may add a dab of super glue at where the inserts connect.
Holder size: 2.25 x 2.5 x 3 inches
Material: Acrylic
Simple assembly required
Video: How to Assemble: Starts at 2:36 *PLEASE REMEMBER TO REMOVE THE PROTECTIVE FILM ON BOTH SIDES* Colour seen on screen may vary slightly due to screen calibration