Using Patented technology, this non-tipping cup holder features built-in stabilizers that adjust to securely hold all popular 12oz. -30 oz. bottles and most can coolers, and has premium grade, integrated silicone rubber boot with 20 micro-suction cups for a secure hold. It’s the only non-Tipping Cup Holder with both vertical and horizontal holding power that won’t release! Works on any smooth, non-textured surface, but comes with the optional SquidDisk mounting system, which allows you to use it in an area that does not have a smooth non-textured surface. Light-weight, high-impact ABS Plastic that is BPA-free. Squid Cup logo on backside of cup holder.