JAM PAPER #10 Business Colored Window Envelopes - 4 1/8 x 9 1/2 - Ultra Pink - 25/Pack Color: Pink Envelopes Size: #10 (4.13 x 9.5 inches) Quantity: 25 envelopes per pack These window envelopes allow addresses and recipients to be seen without having to address the outside of the envelope. Great for paychecks, bills, invoices, statements, marketing materials and more These envelopes are perfect to use for sending invitations, greeting cards, RSVP's, thank you cards, gifts for birthdays, graduations, holidays and more