Wiktionary
sacklike
a. Resembling a sack or some aspect of one.
Usage examples of "sacklike".
One day, when he woke up, everyone was clambering into their translucent pressure suits: men, women, children, even infants in little sacklike papooses.
She wore plain, sacklike robes, and hacked Ikt grey hair carelessly off at shoulder length.