All sizes are available. This 30 cm mattress is amazing and unreal! Because it is so thick and dense, you feel like you are sitting in the middle of a five-star hotel. When you sleep on it, your body forgets all the fatigue because its thickness provides incredible comfort for your back and neck. It's not hard enough to break your back, nor is it soft enough to sink into; its advantage is that it is balanced and durable. In other words, this type of mattress allows you to sleep deeply and you won't want to get out of bed in the morning.