Say goodbye to random spills with SquidCup!  Our patent pending dual-magnet + micro suction cup technology is simple, easy to use and totally maintenance-free with no adhesives, drilling or sticky residue to worry about.  The SquidCup system consists of a rubberized flexible coaster-like base with 20 micro suction cups that can be used in any location that has a smooth solid surface.  This specially designed base has a powerful magnet fully encased in weatherproof silicone rubber and can be easily repositioned in just seconds.  Our 16 oz. Tumbler is a premium grade, BPA Free, double wall insulated cup with a permanent, powerful magnet securely encased in the bottom of the cup.  When used together, the SquidCup Base and Tumbler create a movable, magnetic and secure system that will hold any beverage in place withstanding just about any motion on the water or road.