My first is in some but not in all.
My second is into but not in tall.
My third in little but no in big.
My fourth in port but not in pig.
My whole is made in nature's way.
For clothing, rugs used every day.
Answer: Silk.
This riddle appears in the following downloadable PDF files:
Can you solve one of the most famous logic puzzle ever?
Memory Matching game for kids, adults and seniors.
Connect the matching tiles and pop them all.