STRONG Edition orthopaedic bedding for maximum sleeping comfort nylon feel durable and soft polyester cover 2-layer system: lying area made of foam/viscoelastic foam, 5.5 cm bolster: foam-flake/polyester filling cover removable non-slip bottom suitable for allergy sufferers made in the EU Strong & clear-cut. The STRONG Edition features items in a sporty look that convince with their durable nature. The clear, unobtrusive line of the design can be optimally integrated into every home.