Good sleep isn't a luxury. The Classic Bonnell Spring Foam Encased Mattress is engineered for side sleepers who want reliable, pressure-relieving support night after night. With a medium-firm feel and a 20 cm profile, this mattress strikes the right balance between traditional bounce and modern comfort. The foam-encased perimeter keeps the edges firm, and the reversible design means this mattress is built to stand the test of time - backed by a 5-year warranty to prove it.

• Medium Firm Comfort Level: Rated 4–5 out of 10 on the firmness scale, this mattress is supportive enough to keep the spine aligned, gentle enough to cushion hips and shoulders for side sleepers.
• Bonnell Spring System (2.4 mm coils): Interconnected steel coils deliver classic, responsive support with natural bounce, making this a durable choice for everyday use.
• 10-layer construction: Built up from anti-skid base fabric through Dacron fiber, cotton felt, medium-density foam, Dacron fiber, soft-density foam, and a breathable knitted fabric cover.
• Foam Encasement: Reinforced foam border around the entire perimeter prevents edge sagging and maximizes usable sleep surface, ideal for those who sleep close to the edge.
• 20 cm Mattress Thickness: A balanced depth profile that works with most standard bed frames without raising the sleeping height excessively.
• Reversible Design: Flip the mattress regularly to distribute wear evenly and extend the product lifespan significantly.
• Charm Jacquard Tight Top Cover: A woven jacquard fabric cover that is both durable and aesthetically clean and that pairs well with fitted sheets.
• Optimized for Side Sleepers: Construction specifically targets pressure relief at the hips and shoulders, the two main pain points for side sleeping positions.
• 5-Year Warranty: Manufacturer-backed warranty for peace of mind on a long-term investment.