Size: 50 cm or 75 cm (approx). Fits any standard UK pillowcase. Enhanced comfort: Memory foam contours to the head and neck, providing tailored support and a comfortable sleeping surface. Advanced airflow technology: Design promotes airflow for better ventilation and a cooler night. Hypoallergenic: Memory foam is naturally resistant to dust mites, mold, and other common allergens. Pain relief: Contoured shape supports the head and neck, helping to relieve pressure points and reduce pain. Durability: memory foam maintains its shape and support for years. Easy maintenance: Removable, washable cover for easy cleaning and freshness. Suitable for all sleeping positions: Works well for back, side, and stomach sleepers. Improves sleep quality: Enhanced comfort and support contribute to a more rested, refreshed feeling upon waking. Use scenarios: Back sleepers needing neck and head support for proper alignment. Side sleepers seeking neck and shoulder relief and better spinal alignment. Hot or restless sleepers who benefit from improved ventilation and cooler nights.