Customer reviews

4.3 out of 5 stars
4.3 out of 5
23,432 customer ratings
5 star 71% (71%) 71%
4 star 10% (10%) 10%
3 star 6% (6%) 6%
2 star 4% (4%) 4%
1 star 10% (10%) 10%
How does Amazon calculate star ratings?