Sending letters and parcelsNeed to send a letter, something fragile or bulky that you have sold online? We have packaging for both small and large mail. Windowed envelopes, padded envelopes, mailing bags, shipping boxes and other useful accessories for posting items safely. Say yes to sustainability by choosing an ecolabelled envelope. Follow us on our journey towards sustainability.clasohlson.co.uk and find out more. Postage stamps can be purchased at our stores.