Silicone funnel is used to pour resin back into a bottle, fit all kind of bottle ( the max width of the bottle neck is 15mm). Funnel adopts high quality silicone as raw material, soft and pliable, healthy and eco-friendly; Collapsible design, compact and convenient. Filter is made of stainless steel, easy to use and clean, ffectively filter impurities while pouring resin back into the bottle.