Double mattress topper HR gel foam hypoallergenic 13 cm high. High quality gel-foam (70 kg/m3) with supple and elastic double cloth (300g/m2) and equipped with soft but elastic double cloth (300g/m2) quilted with (400 gr/m2) hollow fiber. Fully anti-allergic. The combination of materials ensure a perfect support and comfort. The mattress topper increases lying comfort, weight and extend the life of your mattress.