# Aluminum ROPP cap for olive oil bottles, 28–31.5 mm

> Non-refillable aluminum ROPP caps in 28–31.5 mm for olive oil and edible oil bottles, made for automatic capping machines in Pantone or standard colors.

- Category: [Caps and closures](https://www.mars-glass-factory.com/products/closures/)
- Product reference: MG-1601948949877
- MOQ: 4,000 pcs
- Reference FOB price (2026-10): $0.08 per piece
- Neck finish: 28–31.5 mm ROPP

## Overview

This roll-on pilfer-proof (ROPP) cap is made for olive oil and edible oil bottles in 28 mm to 31.5 mm neck sizes. The aluminum shell is rolled onto the thread by an automatic capping head, and a breakable band shows if the bottle has been opened. The aluminum-plastic construction includes a non-refillable, non-spill design that helps protect the oil from substitution.

Colors are matched to the Pantone card or chosen from black, yellow and green, and logo printing is done as requested. The cap is rated to 150 °F continuous. Indicative price is $0.08 per piece, with a minimum order of 4,000 pcs. Send your bottle neck drawing to confirm the right size.

## Key points

- 28–31.5 mm neck sizes
- Fits automatic ROPP capping lines
- Non-refillable, non-spill
- Pantone color matching
- $0.08 per piece, MOQ 4,000 pcs

## Specifications

| Property | Value |
| --- | --- |
| Type | ROPP cap |
| Material | Aluminum-plastic |
| Size | 28–31.5 mm |
| Features | Non-refillable, non-spill |
| Max. continuous temperature | 150 °F |
| Color | Pantone match; black, yellow, green |
| Logo | Printed as requested |
| Price | $0.08 per piece |
| MOQ | 4,000 pcs |
| Origin | Shanghai, China |

## FAQ

**Does this cap work on automatic capping machines?**

Yes. It is made for ROPP capping heads on automatic lines.

**Can you match our brand color?**

Yes. Colors are matched to the Pantone card, or chosen from black, yellow and green.

**What is the MOQ?**

4,000 pcs, at an indicative $0.08 per piece.


Request a quote: https://www.mars-glass-factory.com/products/closures/aluminum-ropp-cap-olive-oil-bottles-28-31-5mm/#inquiry or email inquiry@mars-glass-factory.com