The Benefits of Lavender has a sweet, floral, slightly woody scent that is both familiar and relaxing. Derived from the Lavandula angustifolia plant, lavender essential oil has been used for centuries in natural therapies. Lavender aromatherapy is frequently used to support healthy sleep, as lavender is known for to enhance relaxation with its calming scent. Lavender Aromatherapy Spray Included Accompanying this lavender-infused pillow is a mini spritzer bottle of natural lavender aromatherapy spray. The included 3 mL spray bottle contains real lavender essential oil. Use it to refresh the lavender scent of your pillow or layer scent on bedding and mattresses. Aromatherapy spray not included with travel size pillows. ZONED DOUGH Memory Foam Plush memory foam creates a comfortable pillow with excellent support. This mid-loft pillow is made of DOUGH memory foam that molds to the curves of the head, neck and shoulders for personalized comfort without pressure. ZONED TECHNOLOGY design features larger holes in the center and smaller holes around the perimeter to cradle the head while supporting the neck. This unique design also improves airflow for a more breathable memory foam. TENCEL Mesh Cover TENCEL botanical fibers create a fabric that is incredibly silky, soft and light. It also has inherent moisture management and temperature control properties that bring cool, dry comfort to the pillow's surface. Gusseted cover can be removed and washed. To preserve the cover, remove and machine wash in cold to hot water with bedding. Tumble dry on low heat. Cover: 63 percent TENCEL lyocell, 37 percent polyester, Cover sidewall: 100 percent TENCEL lyocell, Fill: 100 percent polyurethane foam.