The Sobakawa® Cloud Pillow" is a unique micro-air bead pillow that offers the ultimate in sleeping comfort and support. It uses over 10 million micro-air beads to provide personal contoured support, cooling comfort airflow, and head and neck support. It helps support your neck, shoulders and upper back, helping to promote sounder sleep. Use when driving for lower back support, while watching TV, under your knees or while doing yoga. For headaches or neck spasms, place it in the freezer for maximum cooling effect. Cover is 87% polyester/13% spandex. The included pillowcase is 93% polyester/7% spandex. Standard pillow measures 17" W x 12 1/2" L, Full measures approximately 23 3/5" W x 13 3/4" L and Queen/King measures 25 1/2' W x 17 3/4" L. Machine wash pillowcase. Spot clean pillow. Imported.