Customer reviews

4.5 out of 5 stars
4.5 out of 5
150 customer ratings
5 star 69% (69%) 69%
4 star 20% (20%) 20%
3 star 5% (5%) 5%
2 star 2% (2%) 2%
1 star 3% (3%) 3%
How does Amazon calculate star ratings?