A resealable bag is a type of bag that can be easily closed multiple times, keeping the contents inside fresh and preventing them from spilling or being exposed to air. Full definition
This product is sold in resealable bags which make it easy for you to keep your dog's food as fresh as possible (thebarkbuzz.com)
You may develop a different system, but here's what I did: Locked myself in the «Maternity» closet at my office; pumped into the bottles that came with my breast pump; stored them in a small lunch bag in my office's refrigerator; brought the lunch bag and my pump home each day; transferred breastmilk into resealable bags for storing in the freezer; washed and dried bottles and pump parts for the next day. (rookiemoms.com)
Preheat oven to 400 degrees F. Place garbanzo beans in a large resealable bag with spices and olive oil. (babycenter.com)