15 cm high mattress with foam. It is antialergic with removable cover. Mattress is 15 cm high. It is packed in rolo for easier transport. Mattress firmness: H1 - it is suitable for people with low body weight. It offeres a pleasantly supple and perfect body support. It is also suitable for people who want to sleep on a soft mattress. Generally the mattress indicated for people up to about 60 kg of body weight.