Single/Dual Drink Holder with Suction Cups This expandable drink holder offers a flexible solution mounting easily to most surfaces with suction cups. Expands from single to dual holders conserving space when not in use. Accommodates drink containers up to 3-1/2" in diameter. Impact resistant injection molded nylon construction.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.