Size Chart --- Pillow Cover:(L: 17.7in, W: 17.71in),Back Cover M:(L: 23.6-31.5 in,W: 11.8-21.6, H: 2-7.9in) Back Cover L: (L: 31.5-43.3in, W: 11.8-21.6, H: 2-7.9in), Large Single Seat Cover: (L: 21.-35 In, W: 21.6-35in, H: 2-7.9in),Extra Large Single Seat Cover: (L: 39-49.In, W: 21.6-35in, H: 2-7.9in),Large Double Seat Cover : (L: 49.2-61.in, W: 21.6-35in, H: 2-7.9in),Large Triple Seat Cover: (L: 61-72in, W: 21-35in, H: 2-7.9in),Chaise Cover: (L: 61-72.8in, W: 35.4-43.3in, H: 2-7.9in).Sofa Covers ---- Sofa Cover Has Comfortable Feel And High Elasticity,Sew With Thick Elastic Loop To Cover The Bottom Edge. You Can Take Care Of Your Sofa Cover Easily And Protect Your Couch From Wear And Tear.. Material ---- Sofa Covers Is Made Of High-Stretch Fabric, Highly Inclusive, The Fabric Composition Contains 92% Polyester And 8% Spandex, Comfortable And Soft To The Touch, And Has A Certain Amount Of Pull Stretching, Machine Washable, Low Temperature Ironing, No Shrinkage, No Fading..Easy To Install & Clean ---- The Seat Cover Has Elastic Straps Around It For And Removal, So You Don'T Have To Straighten It Every Time Someone Sits On It. Wear-Resistant Universal Sofa Cover Is Highly Recommended For Leather And Fabric Furniture..Ornament Your Life ---- Sofa Covers Has Exquisite Grain And Beautiful, Soft Color. While Protecting Your Sofa, It Also Add Luster For Your Home, And Provide You With A Warm Family Environment, Let You Have A Good Time. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.