All sofa covers are sold by the piece. This price is for 1 sofa cover (not the whole set). In the size options you can choose the right size, usually a set of sofa needs a combination of multiple sizes
The size of the sofa cover you choose should be 20~30cm larger than the actual size of the sofa. The rest can be hung down to protect the sides of the sofa, or tucked under the sofa to prevent slipping.Â
 The method to choose the sofa cover
1. Backrest
If G < 60cm , you can choose 70x70cm
If 60cm < G < 75cm , you can choose 90x90cm
If G >75cm , you can choose 110x110cm
2. Armrest
Please choose armrest according to the dimension I*K
3. Seat Cover
Please choose  E*(F+20cm) 1pc,   B*(A+20cm) 1pc,  C*(D+20cm) 1pc.Â