Wonder Wafers 25 CT Individually Wrapped Aqua Frost Air Fresheners (Formerly Blue Ice) (25) individually wrapped Wonder Wafers in scent Aqua Frost. For use in cars, home, office, boats, RVs, or anywhere needing a fragrance boost. Packaged in trademarked easy open-crystal clear WonderWrap for freshness. First of its kind under the seat air freshener. Can last up to 30 days.