What our customers are saying...

Great quality, great prices, great service. Couldn't ask for anything more!

Dani, Surrey

I've been buying from Challenge for years and they've never let me down.

Roger, London

Really great service and an extremely helpful team on the phone. Highly recommended.

Nikki, Kent

Great to hear such passion and excitement about a cardboard box! Keep up the great work.

Olly, Guildford

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Capacity Mailers

OCTOBER SPECIAL OFFER - BUY 5 OR MORE BOXES OF CAPACITY MAILERS IN OCTOBER & GET 10% OFF OF YOUR ORDER!

Our eco-friendly capacity mailers are manufactured from 100% recyclable micro-flute, giving a high level of protection and premium user experience. Using our latest self-seal for secure closure and tear strip for opening our capacity mailers are truly frustration free. All our mailers are printed with water-based ink, made from FSC board and are 100% plastic free. We are proud to say our capacity mailers are an Ocean Friendly product and can even be composted at home once used. The innovative design of our capacity mailers allows them to be used in envelope form or utilize the capacity design giving you the perfect mailer for sending books, brochures, DVD’s and all other products, at capacity the box form ensures your products arrive in perfect condition. The perfect plastic free alternative to bubble lined mailers or bags, available in various sizes to suit all your needs.

Product CodeDimensionsPack QtyQty
50+250+500+1,000+2,000+
ASCMC00A1
195mm x 140mm x 37mm 500.150.130.120.110.10
Each
ASCMC0194
240mm x 142mm x 48mm 500.160.140.140.130.12
Each
ASCMC00A3
310mm x 209mm x 37mm 500.230.210.200.180.17
Each
ASCMC00A5
358mm x 238mm x 90mm 500.390.350.330.310.28
Each
ASCMC0FLP
343mm x 343mm x 2mm 500.450.410.380.360.32
Each