Pluto is one of the firmest children’s mattresses. The firmness of the mattress is suggested as the optimum for the newborns. The plate of the latexed coconut fibre is dense and long-lasting filling, giving firmness and rigidity to the mattress. The polyurethane layer is meant for decreasing the costs of the mattress. The high air circulation of the natural coconut fibre provides good ventilation and optimal temperatures. Double-sided children’s Winter/Summer mattress.