Cardboard-backed envelopes are ideal for mailing fragile flat products and documents. In these versatile mailing envelopes made of white Kraft paper with a sturdy cardboard back your photographs, calendars, magazines, brochures, diplomas, certificates, contracts, design drawings and other important documents will be well protected and will arrive at their destination without folds or creases. In our range of cardboard-backed envelopes with a peel & seal or non-gummed closure flap you will always find the right size of envelope for your documents.