The place I have had the most good feedback from is https://www.houseofdenial.com/
For someone looking for something inexpensive to try out, or to just wear during a session without spending alot of money https://www.houseofdenial.com/collections/silicone-chastity-cages/products/clear-hod600-silicone
Or this one,https://www.houseofdenial.com/collections/male-chastity-devices/products/black-hod600
I recommend hinged devices, as there is no way you can get stuck in them.
Rose