People who tried these sandals love them and keep on using them.
Material: Made of Soft Rubber that is very comfortable.
These sandals are imported from China.

Here is how to pick the correct size.

General suggestion.

For women:

If a woman wear size 5-6 shoes, suggest size 6 (38) sandal.
If a woman wear size 6.5 or 7 shoes, suggest size 7 (39)sandal.
If a woman wear size 7.5 or 8 shoes, suggest size 8 (40)sandal.
If a woman wear size 8.5 or 9 shoes, suggest size 9 (41)sandal.
If a woman wear size 9.5 or 10 shoes, suggest size 10 (42)sandal.
If a woman wear size 10.5 or 11 shoes, suggest size 11 (43)sandal.
If a woman wear size 11.5 or 12 shoes, suggest size 12 (44)sandal.