Customer reviews

2.8 out of 5 stars
2.8 out of 5
18 customer ratings
5 star 25% (25%) 25%
4 star 8% (8%) 8%
3 star 25% (25%) 25%
2 star 7% (7%) 7%
1 star 35% (35%) 35%
How does Amazon calculate star ratings?