125mm thick mattress is made with 100mm Organic Latex core and designed to be comfortable and supportive to the person under 60kg.
It is an excellent option as Single or Kings Single size mattress for your child to go on after a cot bed.
150mm thick mattress is made with 125mm Organic Latex core and designed to be comfortable and supportive to the person under 75kg.
It is thicker and will be more comfortable for the parent to lay on it with the child and also an excellent option for teenagers.
As 100% Natural Latex core mattresses last 15-20 years it is a good investment to get a thinker mattress on a long run. 🙂