Picking packaging for your beverage is one of those decisions that seems simple until you actually look at the numbers. Glass feels premium. Aluminum feels familiar. PET cans feel... new. But "new" doesn't mean better — or does it?
We put together a straightforward comparison. No marketing spin, just the data.
Weight: The Hidden Cost Killer
Here's what a 330ml container weighs in each format:
| Format | Weight | Shipping cost vs glass | Breakage rate |
|---|---|---|---|
| PET Can | ~25g | Up to 70% less | <0.1% |
| Glass Bottle | ~200g | Baseline | 3-5% |
| Aluminum Can | ~15g | Up to 60% less | <0.1% |
Aluminum wins on pure weight, but only by a small margin. The real story is PET cans getting 70% of the shipping cost savings of aluminum while offering something aluminum can't: you can see the product.
Shelf Appeal: What Actually Sells
This is where PET cans pull ahead in a way that matters:
| Feature | PET Cans | Glass | Aluminum |
|---|---|---|---|
| Can you see the product? | Crystal clear | Yes | No |
| Looks premium? | Yes | Very | Somewhat |
| Works for social media? | Great | Good | Not really |
| Full-wrap branding? | Yes | Labels only | Yes |
Glass still has the edge on pure premium perception. But PET cans are close, and they do something glass can't: they're lightweight, shatterproof, and work for e-commerce. For brands that care about Instagram as much as the shelf, PET cans hit a sweet spot.
Sustainability: It's Closer Than You Think
| Metric | PET Cans | Glass | Aluminum |
|---|---|---|---|
| Recyclable? | Yes (#1 plastic) | Yes (infinite) | Yes (infinite) |
| Can use recycled content? | Up to 100% rPET | N/A | N/A |
| Production carbon footprint | Low | High | Moderate |
| Transport carbon footprint | Lowest | Highest | Low |
Glass and aluminum are both infinitely recyclable — that's true. But glass is energy-intensive to produce and heavy to transport. Aluminum's recycling story is great (95% energy savings), but it can't incorporate recycled content into new cans the way PET can with rPET.
PET cans offer something the others don't: the ability to use recycled material in the actual container, reducing demand for virgin plastic at the source.
Safety
| Concern | PET Cans | Glass | Aluminum |
|---|---|---|---|
| Shatterproof? | Yes | No | Yes |
| Safe for events/festivals? | Yes | No (banned) | Yes |
| BPA-free? | Yes | Yes | Depends on lining |
Glass is chemically inert, which is great. But it breaks. Aluminum cans require an internal lining to prevent the beverage from reacting with the metal, and some of those linings contain BPA. PET cans are BPA-free by nature of the material.
Cost: Where It Gets Interesting
| Factor | PET Cans | Glass | Aluminum |
|---|---|---|---|
| Unit cost (10K qty) | Lowest | Highest | Middle |
| Minimum order | 5,000 pcs | 10,000+ | 50,000+ |
| Customization cost | Low | Moderate | High |
This is the one that surprises people. PET cans aren't just cheaper per unit — the minimum order quantities are dramatically lower. If you're a startup or a mid-size brand, aluminum's 50,000-unit MOQs can be a dealbreaker. PET cans let you start at 5,000.
So Which Should You Choose?
Honestly, it depends on your product:
- Go with PET cans if you want product visibility, lower costs, flexible order sizes, and e-commerce-friendly packaging. This is the right call for bubble tea, cold brew, fresh juices, craft drinks, and most RTD beverages.
- Go with glass if premium perception is your #1 priority and you don't mind the weight and breakage risk. Luxury spirits and high-end wines still benefit from the glass association.
- Go with aluminum if you're doing massive volumes (50,000+ units), need maximum carbonation retention, and don't care about product visibility.
For most beverage brands in 2026, PET cans offer the best overall balance. Check out our range or drop us a line — happy to help you figure out what works for your specific product.