How much packing time does an auto-bottom actually save?

The base arrives pre-glued and locks itself when the carton is squeezed open, removing three folding steps per unit. On manual lines that roughly halves pack time versus a tuck end.

Up to 3 kg depending on footprint, because the base panels overlap. That is why it is the usual choice for glass jars, bottled liquids and heavy hardware.

Does it work with automatic carton erectors?

Yes, the structure is compatible with automatic erecting equipment. Share your machine model and we will confirm the panel tolerances it needs.

Auto lock bottom skincare folding carton with recyclable paperboard divider

Kraft auto-lock bottom folding carton being assembled by hand

Auto-lock folding carton with removable kraft paperboard bottle dividers

Auto-lock bottom carton presenting unbranded skincare bottles in paper dividers

Folding Cartons · BC-FC24202

Auto-Lock Bottom Carton for Heavy Retail Products

Pre-glued crash-lock base that snaps into shape — faster packing lines, stronger load bearing.

Cuts assembly time on manual pack lines
Higher load capacity than tuck-end
Compatible with automatic carton erectors
Optional inner partition for multipacks

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How customization works · We reply to every enquiry within 24 hours.

From$0.38/ unit

at 1,000 pcs

Minimum order: 1,000 pcs

Ex-works price, excluding freight and duty. Freight is charged by weight, so it does not fall per unit as you order more — budget roughly USD 0.15–0.65 per unit depending on size, destination and whether the volume justifies sea freight. Final price depends on dimensions, board, printing and finishing.

Trial runs below the minimum are possible on digitally printed structures — ask us.

Board: 300–450 gsm SBS / kraft
Base: Pre-glued crash lock, 4-panel
Load: Up to 3 kg depending on footprint
MOQ: 1,000 pcs
Lead time: 12–16 days
Top: Tuck, seal end or dust-flap

Product Details

The auto-bottom (crash-lock) carton arrives pre-glued. Squeeze the carton open and the base locks itself, removing three folding steps per unit from your packing line and roughly halving pack time.

Because the base panels overlap, load capacity is far higher than a tuck end — the standard choice for glass jars, bottled liquids and heavy hardware.

Auto Bottom Carton FAQ

How much packing time does an auto-bottom actually save?: The base arrives pre-glued and locks itself when the carton is squeezed open, removing three folding steps per unit. On manual lines that roughly halves pack time versus a tuck end.
What can it carry?: Up to 3 kg depending on footprint, because the base panels overlap. That is why it is the usual choice for glass jars, bottled liquids and heavy hardware.
Does it work with automatic carton erectors?: Yes, the structure is compatible with automatic erecting equipment. Share your machine model and we will confirm the panel tolerances it needs.

Get Price for This Product

Your enquiry reaches an engineer, not a mailbox. Send dimensions and target volume and you get a structure recommendation and a quotation — no obligation.

What drives your unit price

Everything here is made to order, so there is no list price. These four decisions set it:

Structure: A rigid box is hand-assembled; a folding carton is die-cut and glued in one pass. This is usually the largest single factor.
Board and material: Greyboard, SBS, kraft or corrugated behave differently on cost, and specialty paper or fabric wraps sit above all of them.
Finishing: Foil, embossing, spot UV and soft-touch each add a pass. One well-placed process usually beats three competing ones.
Quantity: Make-ready is charged once whether you run 500 or 50,000, so unit price falls steeply across the first few thousand.