Mars GlassGlass packaging, Shanghai

Caps and closures

Aluminum-plastic non-spill screw cap, GPI 28-400 and 33-400

An aluminum-plastic non-spill screw cap for GPI 28-400 and 33-400 bottle finishes (30 and 35 mm), used on spirits, liquor and beverage bottles.

Minimum order
100,000 pcs
Neck finish
GPI 28-400 / 33-400
Type
Aluminum-plastic cap
Reference price
$0.04-0.06 / pc

Reference FOB price per piece for plain stock items (2026-10). Your quote depends on quantity, decoration and packing.

MOQ 100,000 pcs
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Overview

This screw cap pairs an aluminum outer shell with a plastic inner, and fits GPI 28-400 and 33-400 bottle finishes. In GPI terms, the first number is the nominal neck diameter in millimeters and "400" is a shallow single-turn thread, a common finish on spirits and beverage bottles. The listed cap sizes are 30 mm and 35 mm, and the cap has a non-spill feature.

Color and logo are customized to order. Packing is 2,430 pcs per carton for 28-400 and 4,416 pcs per carton for 33-400. The minimum order is 100,000 pcs. The factory works to an ISO 9001 quality system. We also make glass bottles with these finishes, so caps and bottles can be quoted together.

Typical uses

  • Vodka and whiskey bottles
  • Liqueurs
  • Beverage bottles
  • Syrups and cordials

Key points

  • Fits GPI 28-400 and 33-400 finishes
  • 30 mm and 35 mm cap sizes
  • Aluminum shell with plastic inner
  • Non-spill design
  • Custom colors and logo

Specifications

From the factory listing. Final dimensions, weight and tolerances are confirmed on the drawing sent with your quote.

Packing

2,430 pcs per carton (28-400); 4,416 pcs per carton (33-400)

Certification listed

ISO 9001

Specifications of Aluminum-plastic non-spill screw cap, GPI 28-400 and 33-400
TypeScrew cap
MaterialAluminum-plastic
Neck finishGPI 28-400, GPI 33-400
Size30 mm, 35 mm
FeatureNon-spill
ColorCustom
LogoCustom logo accepted
CertificationISO 9001
Packing2,430 pcs/carton (28-400); 4,416 pcs/carton (33-400)
OriginShanghai, China

Questions about this item

What does GPI 28-400 mean?

It is a standard bottle finish: a 28 mm nominal neck diameter with a 400-style shallow single-turn thread.

What is the MOQ?

The MOQ is 100,000 pcs. Color and logo are customized within that order.

Can you supply bottles with this finish?

Yes. We make glass bottles and can quote bottles and caps together to the same finish.

Request a quote

For Aluminum-plastic non-spill screw cap, GPI 28-400 and 33-400. Tell us the quantity, decoration and destination; we reply with price, MOQ, lead time and sample options.

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Aluminum-plastic non-spill screw cap, GPI 28-400 and 33-400

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