#2 Kraft Envelope - Comes with 200 kraft bubble mailers. Each measuring 8.5'x12'' Approx Outside Dims and 8.25x11'' Approximate Inside Dims. Self-sealing tape -Our bubble envelopes come with self-sealing adhesive tape to ensure safety and protection. Envelopes are lightweight. Great for Personal and Business Use Envelopes - They can be used in your home, office, Small business and Large companies, anywhere you have a need for shipping. The bubble envelopes are easy to label. Just print your label place on the envelope, seal and ship. Convenient and easy to use - Just place your item in the envelope, peel off the seal protector, seal the envelope and place your shipping label. High Quality - Our kraft envelopes are produced from the highest quality components, so you can ship with confidence.