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