In Islam , in addition to four wives & unlimited captured/purchased slaves,
muslim men can also enter into temporary marriages called MUTA (pleasure)
marriages purely for sexual indulgence.
The duration can range from a quarter hour to few months .
Sahih al-Bukhari,part 7,page 37
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"While we were in the army, Allah%u2019s Apostle came to us and said, %u2018You have been allowed to have pleasure (Muta), so do it.%u2019 If a man and a woman agree to marry temporarily, their marriage should last for three nights, and if they want to continue, they may do so."
1.This marriage is carried out without a witness
2. The period of this marriage could be a quarter of an hour, or a day, or any period of time
3. it is permissible for a man to have collectively an unaccountable number of women at the same time
4. The woman may not inherit her husband%u2019s possessions, and a man does not give alimony to the spouse
5. Divorce is also carried out without a witness
6. This marriage is nothing but a license to practice sex provided that the woman is not married to another man
Sahih al-Bukhari,part 7,page 37
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Nikah-al-Muta (marriage of pleasure) means temporary marriage for a limited period of time. This type of marriage was allowed in the early days of Islam