These Quality Park 4 x 7 padded envelopes with built-in bubble cushion protection are perfect for shipping jewelry, cosmetics, trading cards, crafts, and other smaller items you want to protect. Our bubble mailers add thick protective cushioning to soften the impact of rough and tumble transit to help your goods arrive looking pristine. Plus they're lightweight to keep shipping costs low. Confidently pack your smaller shipments without the expense of extra packaging materials. Efficient self-seal envelopes get the day's shipping done faster. Our bubble mailers with Redi-Strip peel and seal without moisture or mess — a fast, clean, sanitary envelope choice. Each mailing envelope has anti-tear tape, so it's hard to tamper with these bubble mailers once sealed. These white poly bubble mailers are moisture and tear-resistant to keep contents safe and dry in transit. White bubble mailers set your mailings apart in any mail stack, and make a good first impression that keeps customers looking forward to your next package! Keep your essential small business shipping supplies on hand and stock up on these 4 x 7 bubble envelopes. Each mailer has 4 x 7 inches of usable space, and the overall envelope dimensions are 4.81 inches x 9 inches. Box of 50 White Poly 4" x 7" Bubble Mailers.