One pack includes the 9 pieces shown below: 

These high quality tips are for use with the machine shown below.  Click to buy the machine:  7 in 1 Intelligent Skin Analyzer (Smart Ice Blue) Hydrafacial Machine.

Included:

2 x Frosted Dermabrasion Heads

4 x Plastic Dermabrasion Heads

3 x Silica Gel Dermabrasion Heads