袋 (Kanji for sack) | KANJIDAMAGE

Onyomi

In modern times plastic garbage sacks have taken the place of cloth ones.

ふくろ	sack ★★★★☆

ゴミ袋(ごみぶくろ)

garbage bag ★★★★☆

手袋(てぶくろ)

gloves ★★★☆☆ KUNKUN
手 (hand) + 袋 (sack) = 手袋 (gloves)

福袋(ふくぶくろ)

the mystery bag ★☆☆☆☆ KUN ON
福 (good luck) + 袋 (sack) = 福袋 (the mystery bag)

a mystery bag, a grab-bag that stores use to get rid of old inventory.