I don't know what she is talking about but there is one in Neve yaakov.
100 shekels for adult dress.
40 shekels for girls dress.
No need to clean the dress, you return it the day after the wedding.
Yes this is the one. They are very often changing the dresses to new styles.
It must have gone up to 50 Nis for children recently then as that's what we paid.