Our 12 Quart Promotional Foam Cooler is the perfect companion for those day-trips in the car or out fishing on the boat. The 1-inch wall thickness is just right for keeping food and drinks warm or cold overnight. Inside: 10-1/4 x 7-1/4 x 9-1/4 Outside: 12-1/4 x 9-1/4 x 11-1/4 Wall thickness: 1