Temperature balancing, hard-wearing, very stretchy, comfortable covering. Made of 97% cotton and 3% spandex, it is wrinkle-free even after sleeping due to the spandex content. Features concealed sewn-in high-quality elastic around the edges. Low pilling, suitable for tumble drying, and absolutely iron-free. High-quality workmanship and soft jersey fabric ensure very good quality, especially for topper heights from 6 cm to 10 cm. Quality is 160 grams per sqm. High-quality workmanship, gently coordinated colors, and materials of the best quality are the trademarks of this box spring topper. Please wash textiles with intensive colors separately the first two times.