Bad service

Bought a bed on the 11 July 2020 and the bed is hurting my back company bmt refuse to refund or give a new bed. Advise if you buy a bra you can't return it don't see how a bra can be compared to a bed. Having back problems and the bed is not helping. They advise they don't return as the bed is less than 15 days old Consultant's name Angelique Address 44 main reef Cell *** Ck***