Estone&reg; New Silicone Gel Practical Foldable Collapsible Style Funnel Hopper Kitchen Tool (Pink) Portable, useful and durable. Heat resistant silicone funnel for kitchen & cooking use. A stylish addition to your kitchen, ideal for transfering liquids. Stain resistant and heat resistant up to 230C. Collapsible, can be put into a small box or hanged up with a small hole on it, saving places.