How can i preserve rose petals for use at a wedding for a flower girl throwe?

Rose Petals - Rose Petals are from below link
@joseph_v (212)
January 31, 2007 10:48pm CST
these roses were from funeral today and someone would like to preserve the petals for use in about a month for their flower girl to throw
1 response
@listen2me (511)
• United States
1 Feb 07
i've seenthem put into a cardboard box w/ aluminum foil over it and then put into the fridge. like an hour before a weding. dont know how long they will hold if longer tho.