Bubble Envelopes from Yorkshire Envelopes. Yorkshire Envelopes produce a complete range of Bubble Envelopes for home and business use. Whatever you need to protect, send it safely a perfectly sized and secure Bubble Envelope from Yorkshire Envelopes. We have Bubble Envelopes for sending CDs, clothing, watches and jewellery, desk diaries, pens and stationary and much more. Whatever it is, we have a Bubble Envelope to fit. And all of our Bubble Envelopes are available in either white or gold.