Answer:
The itsy bitsy teeny weeny yellow polka dot variety is quite popular.
This is needed both for courage and hardcover books.
When liquid splashes me, none seeps through. When I am moved a lot, liquid I spew. When I am hit, color I change. And color, I come in quite a range. What I cover is very complex, and I am very easy to flex.
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
If you throw a bottle of wine, a carton of juice and a can of soda at someone’s head, which one will hurt the least?
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?