Check out this great design from cafepress Rocky Water Can Insulator
Rocky Water Can Insulator. Looking at the stunning blue color of that water crashing around the rocks on the California coast. Taken near Big Sur, CA. Product Information This unique can cooler uses double wall vacuum insulation to keep your drink cold 10 times longer than a bare can. Holds 12 oz. cans Double-walled, unbreakable stainless steel insulation Insulating layer prevents condensation from forming on the exterior and protects hands from the icy cold can Features a comfortable rubber grip and a non-slip, scratch-resistant base