Soft as down - The 7.5 cm thick, ultra-soft microfibre filling offers the proven comfort of traditional down without the associated odours or sharp quills; thanks to the 7.5 cm height, this mattress topper is even more cuddly than the usual 5 cm cushions MACHINE WASHABLE - A soft and breathable 100% cotton percale cover with 250gsm wraps around the topper ensuring maximum comfort and long-lasting quality; machine washable and tumble dry (low temperature) for easy cleaning and lasting freshness EVEN AND LONG-LASTING HEIGHT - The Baffle-Box-Stitching ensures an even height and improved breathability by distributing the filling in equally sized pockets and prevents the filling from shifting or bunching Non-slip straps - Thick, elastic SecureStrap straps are attached to each corner that attach the topper securely to the mattress, preventing slipping during the night and guaranteeing consistent comfort IMPROVED COMFORT – Regularly fluff by hand or tumble dry on low heat to increase the air volume of the fibers, thereby improving firmness and comfort