Crossword Puzzle Chilling carrier

Clue: Chilling carrier

Capa carrier (MATADOR with 7 letters)
Hogwarts mail carriers (OWLS with 4 letters)
Carriers of arms (SLINGS with 6 letters)
U.K. carrier, once (BOAC with 4 letters)
Charge carrier that forms a bond within each of this puzzle's four longest answers (ION with 3 letters)
Carrier of genetic info (e.g. DNA with 3 letters)
Ball carrier (RUSHER with 6 letters)
Marine carriers in W.W. II (LSTS with 4 letters)
Pkg. carrier (UPS with 3 letters)
Sawyer's carrier (RAFT with 4 letters)