Meanings

koala (Phascolarctos cinereus)

file wrapper for a patent

white tabi

Coalsack Nebula

urinary bladder

paper sliding door for the cupboard of a tokonoma

rice-bran bag (used for scrubbing the skin when bathing)

rice-bran bag (used for scrubbing the skin when bathing)

small bag

womb

rhizocephala (parasitic barnacles)

coin purse

to raise a girl is costlier than one would expect (like how a small bag can hold more than it seems)

trapped with no way of escape

decorative paper envelope for giving New Year's gifts (usu. money given to children) and congratulatory gifts

sacking

silk or leather container for paper handkerchiefs, medicine, toothpicks, etc.

eye bags

rubber bag for collecting urine

breast