Customer reviews

3.8 out of 5 stars
3.8 out of 5
6 customer ratings
5 star 48% (48%) 48%
4 star 31% (31%) 31%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 21% (21%) 21%
How does Amazon calculate star ratings?