The best #5 poly bubble mailer depends on how many you need, the finish you prefer, and whether you want a range of sizes instead. Most #5 options here measure 10.5 by 16 inches outside, with one listing specifying a usable interior of 10.5 by 15 inches. The Boxery suits bulk shipments of apparel, Amazon Basics is a straightforward everyday option, and Fuxury offers a smaller pack. Henoyso is not a #5 mailer; it is a mixed-size alternative.
| Product | Best for | Pack and size notes |
|---|---|---|
| The Boxery #5 | Bulky apparel and a white exterior | 100 mailers; 10.5 x 16 inches |
| MAILERVIEW #5 | Large shipments with stated usable dimensions | 100 mailers; 10.5 x 16 inches outer size |
| Amazon Basics #5 | Everyday mailing and labeling | 100 mailers; 10.5 x 16 inches |
| Fuxury #5 | Smaller batches of large mailers | 40 mailers; 10.5 x 16 inches outer size |
| Henoyso assortment | Small items needing varied sizes | 100 mailers in four sizes; not #5 |
The Boxery #5 Poly Bubble Mailers

The Boxery’s 10.5-by-16-inch mailers come in a 100-pack, making this option suited to sellers who regularly ship larger soft goods. The product information specifically names jackets, sweaters, uniforms, and garments as likely uses.
The white polyethylene exterior is water-resistant and described as resistant to tearing and punctures. Its clean surface can take shipping labels, return-address stamps, or custom branding. Choose this option if you want a white finish and a bulk supply for apparel orders.
Limitation: The listed features do not state an interior measurement, so check the product details and allow for the padded envelope’s usable space before packing bulky items.
MAILERVIEW #5 Self-Seal Mailers

MAILERVIEW is a 100-pack of large #5 padded envelopes. The listing gives an outside size of 10.5 by 16 inches and a usable size of 10.5 by 15 inches, which helps buyers compare their item dimensions with the mailer’s stated interior.
The air-bubble lining is described as cushioning contents from pressure and shocks. A self-sealing adhesive strip closes the envelope, and the lightweight, water-resistant construction is intended for shipping. This is a strong fit for small businesses sending larger, lightweight products in repeat batches.
Limitation: The usable interior is shorter than the outside length, and the listing does not specify the bubble thickness. Measure the packed item rather than relying only on the exterior dimensions.
Amazon Basics Poly Bubble Mailers

These 10.5-by-16-inch Amazon Basics mailers come in a 100-pack for everyday mailing and packaging. Their 3/16-inch air-lock bubble lining is a specific cushioning detail that helps buyers compare padding with other options in this selection.
The thin polyethylene exterior is water-resistant and tear-resistant, with a smooth surface designed for labeling. A tear strip helps create a secure seal. Choose this option if you need a familiar, general-purpose format for regular shipping and want a clearly stated bubble size.
Limitation: The product details give the exterior dimensions but not a usable interior measurement. Confirm that your item fits with room for the padding and closure.
Fuxury White #5 Bubble Mailers

Fuxury provides 40 white #5 mailers, each listed at 10.5 by 16 inches outside and 10.5 by 15 inches inside. The smaller pack is better for occasional shippers or sellers who want to keep fewer envelopes in storage than a 100-pack provides.
The listing names clothing, books, magazines, calendars, and photo frames as possible contents. It describes the polyethylene mailers as tear-resistant and puncture-resistant, with a strong adhesive flap intended to seal without extra tape. Choose Fuxury if a white envelope and stated interior dimensions matter.
Limitation: This pack contains 40 mailers, fewer than the 100-count options. The listed interior width is the same as the exterior width, so confirm fit carefully before mailing thicker items.
Henoyso Mixed-Size Bubble Mailers

Henoyso is included as an alternative for buyers who need multiple smaller envelope sizes, not as a #5 option. The 100-piece assortment contains four sizes: 50 at 4.33 by 7.48 inches, 10 at 5.12 by 7.48 inches, 30 at 5.91 by 9.45 inches, and 10 at 7.09 by 10.63 inches.
The black PE envelopes have self-adhesive closures and gray inner lining, which the listing says helps conceal contents. Water resistance and resistance to punctures and tearing are also listed. Choose this assortment for small products such as makeup or jewelry when size variety is more useful than a large #5 envelope.
Limitation: None of the listed dimensions is 10.5 by 16 inches, so avoid this set if you specifically need #5 mailers or must ship larger garments.
Buying Guide: How To Choose #5 Poly Bubble Mailers
What does #5 mean for these mailers?
In the products listed here, #5 refers to a large mailer with an exterior dimension of 10.5 by 16 inches. Product listings may distinguish outside size from usable interior size. MAILERVIEW and Fuxury specify an interior length of 15 inches, so check the inside dimensions against the item you plan to ship.
Which pack size should you choose?
A 100-pack can suit frequent shipping and businesses that use the same envelope size regularly. Fuxury’s 40-pack may be a more practical choice for lower shipping volume or limited storage. Compare the pack count as well as the dimensions; a larger count is useful only if you can use and store the envelopes.
How much padding and moisture protection do you need?
Bubble lining cushions items, but these mailers are not rigid boxes. They are better suited to lightweight, relatively flat products than fragile goods that need firm structural protection. The listings describe water-resistant exteriors, not waterproof packaging, so do not treat them as a substitute for a watertight container when moisture exposure is a serious concern.
What closure and exterior details matter?
Each selected option describes a self-sealing closure or adhesive flap; Amazon Basics also lists an adhesive tear strip. A white exterior offers a clean labeling surface, while Henoyso’s black assortment emphasizes privacy. Choose based on the package’s presentation, label needs, and whether the mailer size matches the contents.
Frequently Asked Questions
What size is a #5 poly bubble mailer?
The #5 products in this selection measure 10.5 by 16 inches on the outside. Some listings state a usable interior size of 10.5 by 15 inches.
Are poly bubble mailers suitable for clothing?
Yes. The Boxery listing specifically identifies garments such as jackets, sweaters, and uniforms. Check the packed garment’s dimensions and thickness before choosing a mailer.
Can these mailers protect fragile items?
The bubble lining provides cushioning, but a padded envelope is not rigid. For delicate items that need firm protection, use suitable additional packaging or a sturdier shipping container.
Is the Henoyso assortment a #5 mailer pack?
No. Henoyso includes four smaller sizes, none of which is the 10.5-by-16-inch #5 size.
Should I compare inside or outside dimensions?
Compare the item with the usable interior dimensions whenever they are provided. Outside measurements do not show how much space remains after accounting for the padded lining and closure.