Keep your drinks cool in style with this innovative solar cooler by IceCove. This cooler allows easy one-hand carry and extra thick foam walls and lid to allow ice retention. Its unique design features a built-in solar panel that charges phones . tablets . and other devices while you enjoy a cold drink and the sun! The internal tray provides for extra segmented storage and the built-in bottle opener keeps everything you need to enjoy a drink on a sunny day in one place. Taking the party on the road is no problem as two durable . impact . and puncture-resistant wheels ensure easy mobility . and a built-in drain plug makes clean-up a breeze when the party is over. Tips: 1. Minimize the times of openings and closings to reduce the loss of cold air. 2. Put as many ice cubes as possible to extend the cooling time. 3. Place in the shade when not in use to avoid exposure to the sun.