This cover only fits the IKEA Vimle 3 seater sofa with chaise longue that has removable fabric covers with velcro fasteners. It includes 12 pieces: 1 sofa back frame cover, 1 sofa front panel cover, 2 sofa seat cushion covers, 2 sofa backrest cushion covers (reversible), 1 chaise longue back frame cover, 1 chaise longue front panel cover, 1 chaise longue seat cushion cover (not reversible), 2 armrest covers and 1 chaise longue backrest cushion cover. The Vimle series is sectional/modular so the various sections of the seating series can be connected together in different combinations. The Vimle chaise longue can be attached to either side of your Vimle sofa. The configuration is determined by you and Bemz makes covers to fit any configuration you've chosen. The Vimle 3 seater sofa with chaise longue comes with armrests. Remove the original IKEA Vimle cover before fitting the Bemz slipcover. All Bemz cushion covers for Vimle come with zippers and all other pieces are attached with velcro. Assembly required.