Great for Back or Side Sleepers: Ideal firmness to maintain posture and comfort. Spiral Flex Fibre Filling: Super firm spiral flex conjugated fibre ensures lasting resilience and loft. Non-Allergenic: Hypoallergenic construction helps reduce irritation for sensitive sleepers. Ultra-Firm Support: Designed for those who need extra head and neck support all night long. Polycotton Cover: Features a stylish striped polycotton cover that's soft and breathable.