Provides relief for those with respiratory conditions, promoting easier breathing. Gradual elevation ensures less pressure on the lower back and chest. Great for elevating legs to assist with fluid retention. Supports the upper body. Perfect for those who suffer from reflux. Sits on top of your existing mattress and is suitable on all bed size. All foam no latex. Length: 660mm. Width: 710mm. Height: 80-240mm from lowest to highest point.