Crossword Puzzle Mailed boxes

Clue: Mailed boxes

Base among boxes (HOMEPLATE with 9 letters)
Language quintet comprising the only elements in the circled boxes (AEIOU with 5 letters)
Some boxes, briefly (POS with 3 letters)
Theater boxes (LOGES with 5 letters)
Bars on some boxes: Abbr. (UPC with 3 letters)
Mail Boxes __ (ETC with 3 letters)
Like cable boxes, often (SETTOP with 6 letters)
Post boxes? (CEREALS with 7 letters)
Plate between two boxes (HOME with 4 letters)
Features of some cardboard boxes (TEARSTRIPS with 10 letters)