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Four yellow plastic carton flap closures for stacking boxes

Excell

Excell Carton Flap Closure 4-pack Yellow HET-23721YL

SKU CH-C09M-DSFEY

Four yellow plastic closures secure box flaps and enable stable stacking of cartons

  • TypePackaging Tape & Dispensers
  • ColorYellow
  • Stabilises box corners with durable plastic construction
  • Keeps flaps secure while packing or stacking cartons
  • Enables safe stacking of heavier boxes on lighter ones
  • Compact design adds strength without bulk
  • Yellow colour aids quick identification in busy mailrooms

Carton Flap Closure 4-Pack

The Excell HET-23721YL carton flap closure comes in a yellow four-pack designed to stabilise box corners during packing and stacking. Each durable plastic clip holds flaps securely in place while you work. The closures also enable heavier cartons to be stacked on top of lighter ones without crushing. They are suited for mailroom staff, warehouse teams and anyone preparing shipments.

Thermals Noise and Power

These plastic closures have no electrical components, so they draw no power and produce no heat or noise. Their function is purely mechanical, relying on a compact moulded design to lock flaps together. Because they are passive, they add nothing to the thermal load of a packing station. They simply snap on and stay fixed until removed.

Sustained Load Behaviour

Under continuous stacking pressure the closures maintain their grip, keeping flaps aligned and corners reinforced over time. The durable plastic construction resists deformation when heavier boxes rest on lighter ones for extended periods. They continue to support merchandising displays and stacked pallets without loosening. No performance drop occurs as the load persists.

Highlights

  • Stabilises box corners with durable plastic construction
  • Keeps flaps secure while packing or stacking cartons
  • Enables safe stacking of heavier boxes on lighter ones
  • Compact design adds strength without bulk
  • Yellow colour aids quick identification in busy mailrooms

Specifications

TypePackaging Tape & Dispensers
ColorYellow

Questions about this item

How do I install the Excell HET-23721YL carton flap closures on a box?

Position each plastic closure over the corner where the flaps meet, press firmly to lock the flaps in place, and repeat for all four corners before stacking cartons.

What maintenance or replacement will these flap closures need over time?

Inspect the durable plastic for cracks or worn locking tabs after heavy use; replace any damaged pieces to keep flaps secure during stacking.

What limit appears first when stacking heavily loaded cartons with these closures?

The plastic closure strength determines how much weight the stacked corners can bear before the flaps shift or the closure deforms.

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