# Aluminum ROPP spirits bottle cap with PE liner, 28 mm

> An aluminum ROPP (roll-on pilfer-proof) cap with a PE sealing liner for 28 mm spirits bottle necks, used on whiskey, gin, vodka and other liquor.

- Category: [Caps and closures](https://www.mars-glass-factory.com/products/closures/)
- Product reference: MG-1601962775600
- MOQ: 50,000 pcs
- Reference FOB price (2026-10): $0.04-0.06 per piece
- Neck finish: 28 mm ROPP

## Overview

This aluminum cap is a ROPP (roll-on pilfer-proof) closure: the shell is rolled onto the bottle's threads on the capping line and forms a breakaway band that shows when the bottle has been opened. A PE sealing pad inside keeps the closure airtight. The listing names it a GPI 28/400 spirits cap, with a listed size of 30 mm.

It is used on private-label whiskey, gin, vodka and other spirits. Color and logo printing are customized to your order. Caps are packed 1,200 pcs per carton, the minimum order is 50,000 pcs, and delivery is 30–45 days. The supplier lists ISO 9001 certification and T/T payment. Confirm your bottle's neck finish so the cap size matches.

## Key points

- Aluminum roll-on pilfer-proof (ROPP) cap
- PE sealing liner for an airtight seal
- Tamper-evident breakaway band
- Custom color and logo
- 1,200 pcs per carton; 30–45 days delivery

## Specifications

| Property | Value |
| --- | --- |
| Type | ROPP cap |
| Material | Aluminum |
| Liner | PE sealing pad |
| Finish | 28 mm (GPI 28/400 listed) |
| Size | 30 mm |
| Feature | Non-refillable, tamper evident |
| Use | Spirits bottles |
| Color | Custom |
| Logo | Custom logo accepted |
| Packing | 1,200 pcs/carton |
| Delivery | 30–45 days |
| Payment | T/T |
| Certification | ISO 9001 |
| Origin | Shanghai, China |

## FAQ

**Will this ROPP cap fit my bottle?**

It is made for a 28 mm spirits neck. Send your bottle drawing or sample to confirm the thread before ordering.

**What are the MOQ and lead time?**

The MOQ is 50,000 pcs and delivery is 30–45 days.

**Can the cap be printed with our brand?**

Yes. Cap color and logo printing are customized to your order.


Request a quote: https://www.mars-glass-factory.com/products/closures/aluminum-ropp-spirits-cap-28mm-pe-liner/#inquiry or email inquiry@mars-glass-factory.com