Large-Format Mailers for Calendars, Art Prints + More

intelligently designed  ~  bend-resistant  ~  easy to seal (no tape)  ~  easy-open tear strips

CP 018 Series
Impact-Resistant Calendar Mailers

Applications & Advantages

Special bend-resistant packaging for large-format calendars and artwork with all-round edge protection, and depth up to 30 mm (1 1/8 inches).

  • Available in 3 convenient, large-format sizes
  • Self-sealing strip saves time and materials … no tape needed
  • Easy-open tear strip for happy customers
  • SIGMA-fold ensures cuboid edges and maximum capacity
  • Simple filling on longest side, and bend-resistant
  • Conforms to US safety standards to prevents paper-cuts
  • FSC® and Climate-Friendly certified

Specifications + Prices per Item in UK Pounds

We offer FREE 2-color printing on orders of 5,000 items or more.*

wdt_ID SKU # Inner Dimensions (Metric) Inner Dimensions (Inches) 100+ 500+ 2,000+ 5,000+ 10,000+ 25,000+ 50,000+ Order
1 CP018.08 500 x 340 x 30 mm 19.69 x 13.69 x 1.18 in 1.49 1.40 1.37 1.34 1.28 1.24 1.19 Order Now
2 CP018.10 720 x 530 x 30 mm 28.35 x 20.85 x 1.18 in 2.23 2.10 2.05 2.01 1.92 1.85 1.78 Order Now
4 CP018.99 665 x 485 x 30 mm 26.18 x 19.09 x 1.18 in 2.30 2.16 2.12 2.07 1.98 1.91 1.84 Order Now

Prices are per item in UK Pounds, but may also be selected in Euros at checkout.
FLAT RATE OF £15 for shipping of any order within the UK or within the EU.*
Dimensions are approximate.  Orders once shipped cannot be refunded.

Why use our premium packaging?

Quick-Locking Bases
Save Time & Tape

Our cartons are designed with instant,
quick-locking bases, saving you time,
materials, and a LOT of frustration.

Strong Self-Sealing
With No Tape Needed

Our products have the ColomPac®
signature high-strength, self-sealing

strips, with no tape needed

Easy-Open Tear Strips
for Happy Customers!

Our products have tear-open strips
for effortless unpacking. Your customers
will love you for this alone!

Return-Seal Options for
E-Commerce Efficiency

We offer return-seal strips as
an additional option on virtually
all our e-commerce boxes.

And we care about the environment!

Our products are biodegradable, carbon-neutral, climate-friendly,
recyclable, and FSC® certified (see the certification links below).

Did you know


that your purchase of our packaging helps support
the Endangered Child Foundation, whose prime mission is to find
realistic and practical solutions for the rescue and rehabilitation of exploited
and otherwise endangered children, and to support the tactical initiatives of
CTECC, the Child Trafficking, Exploitation, and Cybercrimes Commission.