Cup Holder for Couch requires no tools for installation-just place it into a sofa armrest or car center console to use right away. Sofa Cup Holder Insert a stable, secure base for cups and bottles, minimizing the chance of spills while relaxing on the sofa or driving. Expandable Couch Cup Holder Adapter fits existing 3.15-inch cup holders, accommodating containers up to 3.6 inches wide for versatile use. black plastic construction of the Drink Holder for Couch ensures reliable performance through repeated daily use. Sofa Cup Holder is fully water-washable, allowing for easy, quick cleanup to keep the holder looking fresh and clean.