DOUBLE WALL PAPER CUPS

About

What Are Double Wall Paper Cups? A double wall paper cup is built from two layers of paperboard fused together with a small air gap between them, rather than a single layer of board with a plastic or wax coating. That trapped air layer is what does the insulating: it slows heat transfer from the hot liquid inside to the hand holding the cup outside, similar in principle to double-glazed glass. The two layers are usually bonded during manufacturing rather than assembled by hand at the point of sale, which is the main practical difference from a cup-plus-sleeve setup, where the two pieces stay separate until a barista puts them together. The inner layer still needs a moisture barrier — most commonly a thin polyethylene (PE) lining, a PLA (plant-based) lining, or a water-based coating — to keep the paperboard from softening when it meets hot coffee, tea, or soup. Because the outer wall stays smooth, double wall cups also give a cleaner surface for full-wrap logo printing than a corrugated cup, which is one reason they show up so often as the default hot cup for coffee shops, QSR chains, and catering programs across Canada and the US. The base paperboard itself is usually either bright white or natural kraft brown, and that choice affects the finished look before a single logo is printed. White board gives colors — especially reds, blues, and brand-specific Pantone shades — a truer, more saturated result, which is why most national coffee and QSR brands default to it. Kraft board carries an earthier, "eco" visual cue on its own even before any messaging about materials is added, which is why independent cafés and specialty roasters often choose it deliberately as part of their brand story, separate from whatever coating or lining sits underneath. Double Wall vs Single Wall vs Ripple Wall Paper Cups The three formats solve the same problem — keeping a hot drink comfortable to hold — in different ways, and the right one depends on serving temperature, budget, and how much