Cup Holder Button w/3" Stick-On Accessory MountThe Scotty Cup Holder Button works in conjunction with the 310 and 311 Cup Holder. Now you can attach a cup holder to your SUP of Kayak's flat surface with a non-permanent mounting solution. Comes with 3MTM VHBTM Tape.WARNING: This product can expose you to chemicals including Di-isodecyl Phthalate (DIDP) which is known to the State of California to cause reproductive harm. For more information go to P65Warnings.ca.gov.