Sure we have plenty of huge rubber penises, but for a real challenge, you need to step up to The Walrus. This features some incredible curves and contours, and builds up to a bigger base. So you have to work your way up to taking it all in stages. You will have months of fun exploring the possibilities of this giant innovative rubber penis. You will likely want to keep it on your mantle, as it is such a work of art. The walrus penis measures 12.5 inches in total length, 10.75 inches insertable, 4.6 inches in diameter. This product weighs 7 pounds.