Sold By Piece Not Set: Sofa covers are made of cotton fabric and polyester filling, which is soft and smooth to the touch and not easy to collect hair or pets fur. Please refer to our measuring guide and measure your furniture prior to order, Sold by PIECE but not set, good for your adjustable sectional sofa & couch.(If you need matching pillow covers, you can search ASIN B0BQKY72L1.).How To Choose: Recommend to choose 28" Width to fit sofa width equal or less than 24", 36" Width to fit sofa width between 24" to 32", and 43" Width to fit sofa width above 32". For length, please add extra 4" - 8" long to tuck in the sides, Width and Length better longer than short. For example, you sofa measurement 30" x 58", you can order size 36" x 63" to fit. Armrest and backrest size recommend choosing 28" x 28" or 36" x 36"..Multiple Function & Application: This soft furniture cover protects your couch, sofa, loveseat, recliner and chairs from spills, stains, pets. It's suitable for all seasons and not only used for sofa cover, but also for play mat, bedroom rug, floor pad, window bench mat etc....Stay In Place: Heavy and thick Quilted Sofa Slipcover with non slip backing - silicon rubber design, stay in place firmly better than other normal ones which use straps. Please note, minor adjustments will be needed with rowdy dogs and .. & Care: These sectional sofa cover works great on both fabric and leather furniture and is easy to set up! No Other Accessories Needed! Easy to clean, machine wash (cold) and dry (cool), Do Not Bleach. Like after washing!