Extra Mattress

The Extra is one of Royal Sleep's most popular value mattresses. Its 24 cm connected-spring construction provides dependable, medium-firm support for everyday use and is designed for sleepers up to approximately 80-90 kg.

Key features

• German-style connected spring unit with approximately 120 springs per square metre.
• 2.4 mm reinforced steel springs with two 5 mm perimeter frames for stability.
• 10 cm high-density foam edge supports.
• Medium-density and soft foam comfort layers separated from the springs by cotton felt.
• Warm fibre winter side and breathable cotton summer side.
• Antibacterial, bed-bug-resistant fabric with side ventilation openings.
• 10-year warranty.