Car Cup Holder Expander Adapter

Fit large bottles, travel mugs, and tumblers in your car's cup holder with this expandable adapter. The adjustable base expands to accommodate cups and bottles from 2.5" to 4" in diameter.

• Expands from 2.5" to 4" diameter
• Fits standard car cup holders
• Non-slip rubber grip inserts
• Holds bottles up to 40 oz
• Easy install — no tools needed