GSM and BF explained
The two numbers that decide how strong a carton really is — what they mean, how burst factor is calculated, and what to ask a supplier for.
Read the guidePackaging guides
How to specify a carton
The vocabulary a carton is bought and sold in, explained plainly — so the quotation you receive is readable, and so you can tell whether you are being sold the right board.
3-ply, 5-ply or 7-ply
What the ply number counts, roughly how much weight each construction carries, and how to choose without paying for board you do not need.
Read the guideHow to measure a carton
Internal versus external dimensions, the length × width × height order, and how much clearance to allow around the product.
Read the guideWhat is a master carton?
The outer box nobody sees — what it does, how to size one around your inner packs, and what has to be printed on it.
Read the guideHow many pieces per carton?
Carton quantity explained — what PCS/CTN means, how to work out how many fit, the counts this trade packs in, and the weight that caps them.
Read the guideWould you rather just ask?
You do not need any of this to order from us. Describe the product, roughly how many you need and how it travels, and we will propose the specification ourselves.
Request a quote