Definition of "ziptop" []

• Fastened by a zipper at the top. (adjective)

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• "The ziptop type are valuable for food storage and keeping important documents and other items dry."
• "If not baking the remaining pizza immediately, spray the inside of a ziptop bag with cooking spray and place the dough ball into the bag."
• "They're wrapped in dishtowels, and popped inside ziptop bags (recycled, I promise!)."