Space-Efficient & Pragmatic: I don't often use my funnel, but it always takes up my kitchen room? So…Why not just fold it to store. Expand to use, and fold for easy storage. Make better use of your kitchen room. And make your kitchen tidier. Safety & Health: Food grade silicone material, BPA free. This is a environmental product, which brings no chemical harm to you. Stable chemical properties endow it good temperature resistance at -40 to 200 degree.