The Optional Insulation Kit is available to help keep drinks cooler inside the base. The 4 piece kit is designed to easily insert and remove as needed for cleaning.   The insulation kit was designed for those who wish to bring their drinks afloat with them.  When filled with ice it will keep your drinks cold for a few hours in the water or most of the day on land depending on ambient air and water temperatures.
 
The Insulation Kit ships for free with purchase of Aqua Shade Base