6.5 X 6.5 envelopes

i am looking for 6.5 x 6.5 size enveloeps in a ivory or cream color.. i only need about 6-8 of them.. a few envelopes got messed up printing and now i need some more..any help would be great

my invitations are encore brand.. i dont think they sell seperate envelopes.. but willing to get something similiar