Restore your fallen mattress quickly with this support set measuring 60 x 120 x 5 cm. Made of 40D high density foam with a trapezoidal design, resists deformation and lifts sunken areas for firmer and more stable support. Fits snugly under your mattress for a smooth, bulge-free look, targeting problem areas to extend the life of the mattress without replacing it. Versatile enough to support dropped sofa cushions or other furniture. Vacuum compressed for shipping; allows 24-48 hours to fully expand for optimal firmness and comfort.