Grey Mailing Bags & Parcel Bags – 6 Sizes (6x9 to 17x24 inch), Packs of 100 to 1000 – Self-Seal Postage Bags

£6.49

Size: 6" x 9" (152mm to 229mm)
Bulk Buy: 100 Pieces Pack
Increase must be a multiple of 1 Only 0 left in stock. Please reduce your quantity. Only 699 left in stock. Please reduce your quantity.

In stock - Ready to be shipped

Secure & Encrypted Checkout

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Checkout is protected by Shopify’s encrypted payment system and Stripe. Pay securely with PayPal, Visa, or Mastercard. Your card details are never stored.

Checkout with PayPal, Apple & Google Pay.

30-Day Easy Returns with No-Quibble Refunds

Rated Excellent on Trustpilot

Real support team. Real replies.

Product Description

iSOUL Grey Mailing Bags and Parcel Bags – strong, opaque, self-seal postage bags in 6 sizes, sold in packs of 100, 200, 500 and 1000. Whether you call them mailing bags, parcel bags, postal bags or plastic mailers, these are made from tough 60 micron polythene with a bright Grey outside and black inner lining, keeping contents private and protected from rain and dirt. Popular with Vinted, eBay, Etsy and Depop sellers, boutiques and online shops across the UK. Free UK delivery on every order.

Size guide – which parcel bag do I need?

Size (inches) Size (mm) Best for
6 x 9" 152 x 229 mm Jewellery, accessories, socks, small items
9 x 12" 229 x 305 mm T-shirts, tops, books, A4 documents
10 x 14" 254 x 356 mm Dresses, jeans, folded clothing
12 x 16" 305 x 407 mm Jumpers, hoodies, cardigans
14 x 19" 356 x 483 mm Coats, jackets, several items together
17 x 24" 432 x 610 mm Bulky clothing, bedding, larger orders

Why sellers choose iSOUL Grey parcel bags

  • Strong 60 micron film: thick enough to resist tearing in transit, yet light to keep postage costs down.
  • Permanent self-seal strip: peel and press – no tape needed. Once sealed, the parcel bag can't be opened without tearing, so parcels are tamper-evident.
  • Fully opaque: Grey outside, black inner lining, so nobody can see what's inside.
  • Water and dirt-resistant: protects items from rain and grime during delivery.
  • Perfect parcel bags for clothes: ideal for posting clothing, shoes in soft packaging, accessories and other soft goods that don't need a box.
  • Eye-catching colour: bright Grey parcels stand out and look more professional and memorable than plain grey bags.
  • Bulk packs save money: choose 100, 200, 500 or 1000 bags – the bigger the pack, the lower the cost per bag.
  • Works with all couriers: Royal Mail, Evri, DPD, Yodel, InPost and Vinted drop-off points.

Frequently asked questions

What's the difference between mailing bags and parcel bags?
None – they're the same thing. Mailing bags, parcel bags, postage bags, postal bags, and poly mailers are all names for self-seal plastic bags used to post items.

What size parcel bag do I need for Vinted?
Most Vinted sellers use 10 x 14" for everyday clothing like dresses and jeans, 9 x 12" for T-shirts and tops, and 12 x 16" or larger for jumpers and coats.

Are these parcel bags good for posting clothes?
Yes. Clothing is what most of our customers post in them – they're strong, light, and keep garments clean and dry.

Can I send these as a Royal Mail Large Letter?
The 6 x 9" and 9 x 12" bags can be used, as long as the packed parcel stays within Royal Mail's Large Letter limits (353 x 250 x 25 mm, up to 750 g). Please check Royal Mail's current size rules before posting.

Are the bags see-through?
No. They're fully opaque with a black inner layer, so contents stay private.

Can I reopen and reseal them?
No. The seal is permanent for security, which keeps your parcel tamper-evident.

Are they waterproof?
They're water-resistant and protect contents from rain and dirt in transit.

Can I write on them or use labels?
Yes. Shipping labels stick well, and you can write on them with a permanent marker.

Is delivery free?
Yes, UK delivery is free on all orders, with no minimum spend.

Need more than 1000 parcel bags?

For bulk and trade orders, call or WhatsApp us on +44 7418 098951 for a bulk discount.

Recently Viewed Products

2.5% of all sales are donated to charity.

UK-based, VAT-registered company

Trusted by customers, 3M+ items delivered

Quality Checked, Warranty Included