Wolecok Silicone Collapsible Coffee Filter, Camping Coffee Dripper Cone, Pour over Coffee Brewer Coffee Material:100% Food-Grade silicone, FDA approved It needs to be used with filter paper(not included), the #2 filters fit so well. Heat-resistant ( from -40 to 446 F), non-stick, non-toxi, odourless and non-hazardous Easy to Clean, can be washed in the dishwasher. Collapsible silicone coffee dripper with a portable alloy hook,suitable for outdoors,traveling, office or anywhere you want to drink a fresh cup of coffee or tea.