Harrison - Bonnel with HR and MF Foam (Pillow Top) MattressHarrison mattress is a pillow top mattress that combines Bonnel springs with high resilience and memory foam layers for excellent support and comfort. The Bonnel spring system ensures excellent support, while the high resilience foam layer provides added durability. The pillow top adds an extra layer of comfort, and the mattress is available in various sizes, making it an excellent choice for those seeking a supportive and comfortable sleeping