Listings note Kosher Pareve and Kosher Dairy statuses. Some varieties list wheat as an ingredient, and some list both milk and wheat—check the individual can label for the exact allergen information for each flavor.
Yes. Variety packs contain individually sized cans portioned as single servings. Many listings describe the cans as resealable or packaged to allow sharing or saving part of a serving for later.
Cans are individually packaged and many listings describe them as resealable or otherwise packaged to preserve freshness so the chips stay crisp between snacking sessions.
Listings and reviews highlight that the cans are portable and compact (often fitting cup holders), easy to eat from on the go, and portioned as single-serving cans for travel.