Because its so important, make sure its right every time
Forget the old style, move up to the latest design
Made from the toughest materials for longer life and thicker than most competitors
Includes a lid to keep the dust and dirt out and its flexible so way  better than the old kind that crack
More stable than the older designs when filled with oil
More ratios than the older designs (1, 2, 2.5 and 5 gallon)
Ratios from 8:1 all the way to 70:1
Even shows as Percentage Of Mix
Even has graduations in Gallons, Fluid Ounces, Litres and Milliliters on it