Answer:
I get wet when drying. I get dirty when wiping.
What is easy to get into but hard to get out of?
I have wheels and flies yet I am not an aircraft.
I have feathers that help me fly; with head and body but I'm not alive. Very skinny and a fixed length how far I go depends on your strength.
What is black when it's clean and white when it's dirty?
A little house full of meat, no door to go in and eat.