Customer reviews

4.7 out of 5 stars
4.7 out of 5
38 customer ratings
5 star 79% (79%) 79%
4 star 12% (12%) 12%
3 star 4% (4%) 4%
2 star 5% (5%) 5%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?