KARUILU home Sofa Cover 1 Piece Heavy Weight Fabric, Sofa Protector Slipcover

To get the length of the sofa throw, there’re 4 measurements you need:

outside arm height * 2
arm width * 2
inside arm height * 2
interior seat width
We offer 5 length sizes ( 102″ / 118″ / 138″ / 158″ /170″ )of prefabricated sofa throws and can accommodate custom orders too. Your sofa measurements will tell you which sofa throw to choose. For example, if the length you measure is 110″, we recommend you to choose our 118″ length size.

Our sofa throws fit most sofas up to 110 inches wide, for example:
83″*118″ covers can fit 2 seater sofa 62″ wide.
83″*138″ covers can fit 3 seater sofa 80″ wide.
83″*158″ covers can fit extra large sofa 96″ wide

Alex: