elastic

ɪˈlastɪk

adjective

(of an object or material) able to resume its normal shape spontaneously after being stretched or compressed.

a tourniquet of rubber tubing or other elastic material is placed around the upper arm

stretchy,stretchable,springy,flexible,pliant,pliable,supple,yielding,rubbery,elasticized,plastic,recoiling,resilient,bouncy,elasticated,tensible

noun

cord, tape, or fabric, woven with strips of rubber, which returns to its original length or shape after being stretched.

a polythene bag tied with elastic