Features 1. 2 in 1 Car Cup Holder: Cup holder expander combined with phone holder keep your car stay in organized, save space meanwhile prevent your phone falling down. Works great for most vehicles. 2. Fit Most Large Bottles: The Car cup holder is big enough to hold oversized bottle, works with most popular brand of bottle in 4.25inch. U-slot allows mugs with handles to fit. 3. Expandable Base: Just twist the top of the adapter to expand or retract the base. Insert is expandable from 2.5"-3.93" in diameter to fit different vehicles. Our extra thick pads on the expanding base ensure the adapter stays securely in your cup holder. 4. Secure Tightly Without Tipping: The long rubber tabs around the top holds the cup firmly just like held by hand, preventing tipping and spilling during driving. Elastic rubber tabs also protect cup from damage or scratch. 5. Prime Material & After Sell Service: Made by quality ABS materials, ensure its durability and prime touch-feeling. Specification Material: ABS Color: Black Size: 18.5 x 6.5 cm Weight: 414 g Package Include: 1x Car Cup Holder