Relevant verses from the Koran and quotes from the Hadiths:
Koran 78:31 As for the righteous, they shall surely triumph. Theirs shall be gardens and vineyards, and high-bosomed virgins for companions: a truly overflowing cup.
Koran 37:40-48 ...They will sit with bashful, dark-eyed virgins, as chaste as the sheltered eggs of ostriches.
Koran 44:51-55 ...Yes and We shall wed them to dark-eyed houris. (beautiful virgins)
Koran 52:17-20 ...They shall recline on couches ranged in rows. To dark-eyed houris (virgins) we shall wed them...
Koran 55:56-57 In them will be bashful virgins neither man nor Jinn will have touched before. Then which of the favors of your Lord will you deny ?"
Koran 55:57-58 Virgins as fair as corals and rubies. Then which of the favors of your Lord will you deny ?"
Koran 56:7-40 ...We created the houris (the beautiful women) and made them virgins, loving companions for those on the right hand.. "
Koran 55:70-77 "In each there shall be virgins chaste and fair... Dark eyed virgins sheltered in their tents whom neither man nor Jin will have touched before..