Mattress is made of foam increased softness. The top layer is made in the form of truncated pyramids basis spongy down Provides a flexible support for your head and neck in proper anatomical position. Seat reduces pressure on the pelvic organs; improving circulation sciatic muscle. Working load up to 100 kg.Purpose: seat is recommended for people who have to spend a long time in the bed and for comfortable sleeping.Height, mm: 120Lenght, mm: 2000Width, mm: 800Weight, kg: 7.48