Are you sleeping alone and looking for a single mattress with incomparable comfort? Your child is growing up and it's time to upgrade to a 90x190 mattress?Whatever the situation, Simmons offers you a wide choice of mattresses in different sizes: 80x200 cm, 90x190 cm, 90x200 cm or 120x190 cm. . . Let yourself be guided through the choice and comfort of Simmons single mattress bed base sets.