Straame 12 x 16 in Grey Self-Seal Mailing Bags, 50 Pack

Straame grey self-seal mailing bags are a 50-pack of flexible plastic mailers sized 12 x 16 inches. Their opaque finish is intended to conceal contents, while the adhesive closure suits dispatching clothing, documents and other lightweight items without a box.

At a glance

Opaque grey bags help keep contents out of view during handling and delivery.
Peel-and-seal adhesive closure is described as a permanent, single-use seal.
Flexible format is intended for clothing, books, paperwork and other lightweight items.
The listing describes the material as tear-resistant and water-resistant.

Price

£5.91Save 26%

Reference price: ~~£7.95~~

Price checked: 13 Nov 2026

View offer

Often bought together

iSOUL Shipping Poly Postal Self Seal Bags in Size 14” x 19” Inch, 25 Pcs, Small Postage Mailing/Packaging Bags 356mm to 483mm

£5.49

Merrimen Strong Heavy Duty Roll Pack Brown Packaging Tape, Secure Sticky Sealing Tape for Parcel Boxes, Moving Boxes, Large P

£5.09

Pros and cons

Pros

A 50-pack provides a consistent supply for regular mailing or small online-selling operations.
Self-seal closure avoids requiring separate tape to close each bag, according to the listing.
Customer feedback reports good adhesion and secure sealing, including use for parcels.

Technical specifications

11 specifications

Identity
Brand	Straame

Size and pack
Pack quantity	50
Listed dimensions	40.6L x 30.5W centimetres
Title size	12x16 in
Shape	Rectangular

Materials and protection
Material listed	Plastic
Colour	Grey
Opacity	100% opaque grey material
Moisture protection	Water-resistant

Closure and use
Closure type	Self-Seal
Recommended uses	Mailing,Packaging

What to know before buying

The listing uses both 12x16 inch and 40.6L x 30.5W centimetres for dimensions. The inch size is described elsewhere as approximately 305 x 406 mm, so check the intended usable bag dimensions if fit is critical. Its protection and tear-resistance statements are listing claims, not independently confirmed performance guarantees.

Who is it for?

A good fit for

Online sellers and home businesses mailing folded clothing or other lightweight goods.
People sending documents, books or office stationery that do not need rigid packaging.
Buyers who want opaque, flexible mailers with an adhesive closure.

Less suited to

Items needing rigid support, cushioning or a box for protection.
Bulky or heavy parcels that may exceed the bag's intended use for lightweight items.

Straame 12 x 16 in Grey Self-Seal Mailing Bags, 50 Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 6,640 ratings

5 stars77%77%
4 stars15%15%
3 stars6%6%
2 stars1%1%
1 star1%1%

Customer feedback describes the bags as good quality and value, with positive reports about adhesion, sealing and durability. Some customers say they suit Vinted parcels and work with postal services including Royal Mail and EVRI. This is relevant to the stated 12 x 16 inch, self-seal format for lightweight dispatches, but feedback does not establish performance for every parcel or resolve the listing's differing dimension figures.

Positive themes

Customers report good adhesion and secure seals.
Feedback describes the bags as durable in shipping and useful for Vinted parcels.
Customers report effective everyday mailing use.

Frequently asked questions

How many bags are included?

The title and listed pack size specify 50 bags.

What size are the bags?

The title gives 12x16 inches. The listing also reports 40.6L x 30.5W centimetres, while its feature text describes approximately 305 x 406 mm, so verify the size if a close fit matters.

How do they close?

They use a peel-and-seal adhesive strip. The listing describes the closure as permanent and single-use.

Are the bags suitable for clothing?

The listing recommends them for clothing and other lightweight items. They are flexible mailers rather than rigid or padded packaging.