Discover our premium 100x100 mm black square envelopes, crafted from eco-friendly DL 120gsm paper for a sustainable, recyclable solution. Perfect for Wedding-invitations, thank you notes, and florist cards, these mini envelopes feature a convenient peel and seal closure for secure, hassle-free sealing. Ideal for adding a sleek, professional touch to your mailings, these black envelopes are customizable with our Custom Printing services. Contact our team to explore personalised options for your 100x100 mm black peel and seal envelopes today.
What Our Customers Say
Trusted by businesses across the UK for our quality envelopes and service.
Sarah B
Placing a small order was straightforward, and I received my items promptly. Well packed, easy to use, and just what I needed. Very happy!
Michael R
I needed to change my envelope selection and the team handled it quickly with no fuss. Fast delivery too – excellent customer service.
Priya S
Wasn’t sure how to fold the boxes correctly, but I received a personalised video which explained it all. Top-notch support – really appreciated!
Darren M
Customer service was spot on and the eco-friendly mailing bags were superb quality. Arrived quicker than expected too. Would buy again!
Natalie J
There was an issue with my delivery but the team sorted it out quickly and professionally. Great experience from start to finish.
10% OFF Your First Order*
Sign up to be the first to hear about our new product releases, sale events plus enjoy 10% off your first purchase.