Verbs and their antonyms, materials

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Across
  1. 3. boxes are made of (thick paper)
  2. 4. the synonym of incredible
  3. 5. bottles are made of
  4. 7. winter hats are made of
  5. 8. the synonym of strange
  6. 9. the synonym of colourful
  7. 11. the synonym of huge
Down
  1. 1. the synonym of awful
  2. 2. T-shirts are usually made of
  3. 6. wallets,belt and winter boots are made of
  4. 10. desks, chairs and doors are made of