There are 4 pcs for one set as below:

Patient seat cover-----------1PC

Backrest cover---------------1PC

Pillow cover-----------------1PC

Dentist chair cover ---------1PC

suitable size:length of 105--120cm. width of 45--55cm

The Size of the patient seat and backrest cover, please check it on the picture.

(It’s different for Different dental chairs, so please confirm the size of your chair first to make sure it workable for you)