Made of semi-hard, breathable material with adjustment strap and buckle closure that contains colour-coded references for easier attachment. Consists of a pelvic belt that attaches to the user in the wheelchair or on any other device for sitting down (chair/sofa), which allows complete freedom of movement for the cervical dorsal region. Size in cm in relation to the person's shape when in the seat.Made of semi-hard, breathable material with adjustment strap and buckle closure that contains colour-coded references for easier attachment. Consists of a pelvic belt that attaches to the user in the wheelchair or on any other device for sitting down (chair/sofa), which allows complete freedom of movement for the cervical dorsal region. Size in cm in relation to the person's shape when in the seat.