Cooling Sofa Cover,Couch Protector, Blanket Couch Cover

Material:Front: black technology cool ice silkMiddle: quiltedReverse: ice silkFeatures:This ?Sofa Cover has a cool feeling, and it is better to use in air conditioners! Can feel the cooling effect more, soft and comfortable. Built to last! Non-slip treatment on the back, won’t slip, machine washableDesign:3D Dot Massage | Dot particle design, multi-layer tactile experienceVARIOUS SIZES AND WIDE APPLICETIONSSize Suggestion:Singlesofa/Armchair:50”x70”.Loveseat: 70”x102”, fits for sofa from 45″ to 65″3 Seater: 70”x134”, fits for sofa from 65″ to 85″4 Seater: 90”x134”, fits for sofa from 85″ to 110″If you have an L shaped couch, you can buy two throws and it works perfectly!How to choose the size?