pocket; bag; sack

pouch; bag; sack; pocket

sleeping bag

plastic bag

sack; burlap bag

sandbag; punching bag (trad. filled with sand)

paper bag

pouch; sack; bag

wine sack, food bag (idiom); useless person, only fit for guzzling and boozing

inner pocket

ice bag

bag

pouch

pouch

camera bag (for changing film)

tobacco pipe

leather bag; leather pouch (for liquid)

puffiness under the eyes; bags under the eyes

fukubukuro or "lucky bag", Japanese New Year custom where merchants offer grab bags containing random products at a steep discount

string bag; mesh bag; net bag

(coll.) stomach; belly

tea bag

blood bag

pocket (in a garment)

to bag; to fill (a bag); bagging

mailbag

wallet; purse; money bag

(Tw) plastic bag

resealable bag; ziplock bag

body bag

knapsack (for provisions); haversack

resealable bag; ziplock bag; bag with a zipper

piping bag (cookery)

lit. to wave around one's bookbag (idiom); fig. to show off one's erudition; a person who does so

travel bag

archive envelope; portfolio

water bong; water pipe; hookah

waste disposal bag

hot-water bottle

bag-in-box (packaging)

marsupial pouch

pouch of a female marsupial

resealable bag; ziplock bag

travel bag

pastry bag

shopping bag

(coll.) thickhead; (coll.) thick skull (i.e. the brain of a thickhead)

lit. the butt governs the head (idiom); fig. where one stands depends on where one sits; one's views are shaped by one's circumstances