Somnior Hybrid Premium Bonnell Spring Mattress in White Size: Small Single; 2.5cm High Density Modified Polyether A type of polyurethane foam that is known for its supportive and durable properties, making it a popular choice for mattress cores or as a component in mattress toppers. As it is denser than standard polyurethane foam, it is more durable and long-lasting. Higher density reflex foam tends to be more supportive and resilient, but it may also feel firmer. Monobloc The UKs first 100% foam free monobloc mattress core. The polyester monobloc core offers many performance benefits when compared with standard foam. The open nonwoven structure offers increased breathability and prevents an uncomfortable sleeping environment. As the monobloc is composed from 100% PET, there is no need for the addition of FR chemicals, unlike foams which contains potentially harmful chemical compounds, something which many parents are wishing to avoid. Aloe Vera Fabric Made from durable microfiber fabric enriched with Aloe Vera extract to create a calm and soothing sleep environment, it offers ultimate protection from moisture, while the extra soft quilting gives additional cushioning and softness to your mattress. The mattress will arrive flat packed. Somnior Hybrid Premium Bonnell Spring Mattress in White Size: Small Single color: White