New and Genuine Caya Silcs Contoured Diaphragm With DVD and Protective Case All Natural Ingredients - EU, US, Canada and Australia Approved Safe, Latex- and Hormone-free Birth Control With Itemized Receipt to Create the Possibility of a Cost Reimbursement by Your Health Insurance (US) Made in Germany and Send Insured and Tracked via Air from Germany by DHL, "the global market leader in the logistics industry." "The Caya diaphragm is a new, safe contraceptive. It was developed together with users in an intensive research process in the USA. Caya is inserted into the vagina, just like a tampon. Then it is placed directley in front of the cervix to prevent sperm cells from entering. The ease of use and safety has been studied in extensive test."