Good Riddles

Question: I can be flipped and broken but I never move. I can be closed, and opened, and sometimes removed. I am sealed by hands. What am I?

Question: She lay on her soft bed. She has envy toward us. Why?

Question: People pick me, and watch me until they give me power. Then they don't stare in my eyes. What am I?

Question: People pick me, and watch me until they give me power. Then they don't stare in my eyes. What am I?

Question: People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?