Outdoor decorative pillows commonly appear as rectangular lumbar shapes, while travel-focused neck pillows come in support shapes such as U-shape, C-shape, and cylindrical/roll designs for neck support.
Outdoor decorative pillows commonly advertise UV or UV-fade resistance and water-resistant or water-repellent finishes for suitability in outdoor settings.
Common portability features include compact or rollable designs with a carrying pouch or box, and inflatable designs that deflate and store in an included travel bag.
Travel neck pillows use ergonomic U-shaped profiles, raised chin-support lobes, and contoured curves that cradle the chin to reduce head nodding and neck strain.
Memory foam is described in listings as '100% memory foam' or '100% pure memory foam' and also appears in blends such as cross-cut memory foam combined with microfiber or other fills (e.g., labeled 'Oomph' fill in some descriptions).