Description: Adjustable Base: The diameter of expandable cup holder base can be adjusted from 66mm-10mm/2.60inch-3.94inch to fit various s. 2 in 1 Car Cup Holder Expander: This expander adapter with phone holder made of high quality material, fits most sizes. Phone Organizer : The phone holder is easy to install, and has a charging hole at the bottom, suitable within 24mm/0.94inch thickness and 97mm/3.82inch width. Cup Holder: Cup holder can hold water cups with a diameter of less than 108mm/4.25inch. and the cup holder with silicone insert can make the cup fixed in the cup holder. Double Slot: Convenient to use for mugs and cups. Size Chart: Size: approx. 161mm/6.3inch Package Includes: 1 Piece Car Cup Holder Expander Adapter Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping