Triplast10 x M3 Tenvolope M-Envelope (Boxed Size: 282 x 205 x 70mm) | Size Adjustable Amazon Style eCommerce Packaging | Use as Expandable Cardboard Rigid Envelope, Postal Box Mailer or Mailing Bag

Exactly what I needed to send parcels of books by post. Sturdy, shape into a good box and will take several books of different sizes. Worked very well for sending signed books to fans. I've ordered another set.

Brilliant quality, versatile envelopes. Really good for a variety of different stuff. The glue to seal it is very string and there's no risk of it opening mid-post, no additional tape required. They're quite light and do the job well.

Good quality easy to use, but very overpriced hence the 4 stars review

I recently used these to send books and other items, and they worked great. They are very practical for sending small packages and provide a reliable solution for my shipping needs. Overall, I'm very satisfied with this purchase and would recommend it to anyone looking for an efficient and convenient way to send small items.

Strong and durables easy to seal.

The Triplast 100 x M3 Tenvolope M-Envelope is a versatile and cost-effective packaging solution. These Amazon-style envelopes feature adjustable sizing (up to 282 x 205 x 70mm), making them ideal for various contents. Their rigid cardboard construction ensures secure shipping, and the self-seal adhesive strip simplifies the packing process. With 100 envelopes in a pack, they offer great value for e-commerce businesses and other applications. These envelopes are a reliable choice for efficient and protective mailing and shipping needs.

Big sticker saying ‘amazon prime next day delivery ‘. ! Ordered in the morning, arrived 2 days later. Can only use 8 of the 10. One did not have the protective strip across the seal and stuck the another one. So i cannot use either. Did got them apart, but both are too badly damaged to use!

Great speedy delivery