adjectiveB2Very rare — outside the 30,000 commonest English words, so you will meet it in writing rather than in speechToo rare in one of the two pools to compare — fewer than 20 uses in speech or in writing
Resealable means able to be closed again after opening. A resealable bag, resealable packaging.
It is a selling point on anything eaten a little at a time. A resealable pack keeps food fresher and makes it far easier to eat the lot in one sitting.
Definitions of resealable
1adjectiveresealableAble to be closed again after opening.B2
“The coffee came in a resealable bag with a one-way valve.”