We do not recommend purchasing covers from this company if you have an IKEA sectional piece. It was a really difficult process and the product was unusable in the end. If you still want to proceed with this company, make sure that the product that they send you has slits/holes for the hooks and bolts in the frame that connect the pieces. Also, make sure the armrests are appropriately added to the right parts of the covers. We received a replacement set because there were errors in the first set and the second set still had errors. Also, the signature fit basically is loose hanging fabric, nothing is weighing the fabric down so it easily gets caught on the velcro that's attached underneath the frame (because IKEAs covers uses velcro)).