You only need to use the funnel once and just throw it away after use, No fuss cleaning funnel. Unroll them when you're ready to use them, and throw them away when you're done. The height of the disposable funnels is 14 cm high; The top opening width is 7 cm and the bottom opening width is 1.25 cm, each with a capacity of 8 oz; Fits most oil bottles and engine oil tanks hole.
