# GPI 28-400 and 33-400 aluminum spirits bottle cap

> Aluminum screw caps for GPI 28-400 and 33-400 neck finishes in gold, black, silver or custom colors, for whisky, rum, vodka, brandy, gin and water bottles.

- Category: [Caps and closures](https://www.mars-glass-factory.com/products/closures/)
- Product reference: MG-1600084146837
- MOQ: 50,000 pcs
- Neck finish: GPI 28-400 / 33-400

## Overview

These aluminum caps fit GPI 400-series finishes. In GPI notation the first number is the neck diameter in millimeters and "400" is a shallow single-turn thread style, so 28-400 and 33-400 caps fit 28 mm and 33 mm necks of that thread. Standard looks are gold, black and silver, and other colors are made to order.

Logos can be applied by silk screen, UV, digital, heat transfer or water transfer printing, or by gold stamping. The caps are listed as non-refillable and are used on whisky, rum, vodka, brandy, gin and bottled water. They are packed 1,200 pcs per carton, the supplier lists ISO 9001, and the minimum order is 50,000 pcs.

## Key points

- Fits GPI 28-400 and 33-400 finishes
- Gold, black, silver or custom colors
- Screen, UV, digital or heat transfer printing
- Gold stamping available
- 1,200 pcs per carton; ISO 9001 listed

## Specifications

| Property | Value |
| --- | --- |
| Type | Aluminum screw cap (listed as ROPP) |
| Material | Aluminum |
| Finish | GPI 28-400 / 33-400 |
| Size | 30 mm (listed) |
| Color | Gold, black, silver, custom |
| Feature | Non-refillable |
| Printing | Silk screen, UV, digital, heat transfer, water transfer, gold stamping |
| Use | Spirits and water bottles |
| Packing | 1,200 pcs/carton |
| MOQ | 50,000 pcs |
| Certification | ISO 9001 |
| Origin | Shanghai, China |

## FAQ

**What does GPI 28-400 mean?**

It is a standard neck finish: a 28 mm diameter with a 400-series thread. A 28-400 cap fits any bottle with the same finish.

**What is the MOQ?**

50,000 pcs, packed 1,200 pcs per carton.

**Can you print our logo on the cap top?**

Yes. Silk screen, UV, digital, heat transfer and water transfer printing and gold stamping are available.


Request a quote: https://www.mars-glass-factory.com/products/closures/gpi-28-400-33-400-aluminum-spirits-cap/#inquiry or email inquiry@mars-glass-factory.com