The Fat Daddios silicone pastry bag is the choice of professionals They are very durable, never stain or absorb flavor, so they can be used again and again. Silicone can withstand temperatures from 40 degrees to 212 degrees. Perfect for chocolate, boiled sugar and even mashed potatoes! – 15.75-Inch silicone pastry bag- Manufactured from FDA food-grade silicone- Seamless, extremely durable, and 100-percent dishwasher-safe- Silicone material will never stain, absorb flavours, or tear- Microwave safe