The Velfont Topper Conforter / Topper is designed to increase comfort by relieving pressure. It is made with double outer trim and 100% soft-touch cotton fabric. Its filling is made of high quality Neotherm® conjugated silicone hollow fiber that favors the circulation of air inside it for proper perspiration. In addition, it easily adjusts to avoid slipping thanks to its elastic bands in the 4 corners. This Topper adapts to mattress lengths up to 200cm. No refunds or exchanges allowed.