Here is a grill that fits in a tube and lets you prepare food for 2 people. The Grilliput Duo is made of stainless steel and fits inside a a tube, so you can store and carry it with ease. It measures 11.4 inches long and 0.9 inches in diameter and weighs 19.8 oz. Grilliput is dishwasher safe. Assembling it is pretty easy too. You just have to unscrew the stainless steel tube, remove all the parts, and put them together. Simple and gets the job done. You can get it for $30.