Vi-Spring Heaven Luxury Double Mattress Topper. A hand-filled luxury mattress topper that will provide even greater comfort and a feeling of enveloping softness. Filled with a layer of 1200gsm blended British wool and cotton, sandwiched between two layers of 300gsm sumptuous platinum certified British wool, all encased in a soft, 100% viscose ticking to provide a luxurious sleeping platform. W135 x D190cm Mattress Care Guide 100% viscose ticking, 1200gsm blended British wool and cotton, 300gsm platinum certified British wool