The dough dispenser is made of high-quality 430 stainless steel and silicone. ^ Corrosion resistant, high temperature resistant, good strength, not easy to rust, safe to use. Can also be easily washed directly under water.^ The nozzle of the pancake dough funnel is sealed with a food grade silicone structure that works perfectly to stop dough flow when the nozzle is closed. ^ The pancake dough funnel is sensitive enough to control the dough.^ Easy to use, just gently touch the handle to distribute dough evenly. Durable and easy to clean. ^