Industry Trends

EcoEnclose Mailers & Free Shipping: 7 Things I Learned the Hard Way

If you're looking into EcoEnclose mailers, you probably have some specific questions. Can you really get free shipping? Are their poster boxes safe for limited edition prints? And what's the deal with the different mailer types?

I've been coordinating fulfillment for an e-commerce brand for about four years now, and we've used EcoEnclose for the last two. We've made mistakes—like the time we ordered the wrong size mailer for a product launch and had to expedite a replacement at 2x the cost (that $200 savings turned into a $1,500 problem when we missed our launch window). So, here's everything I wish I'd known going in.

What exactly are EcoEnclose mailers?

Basically, they're shipping mailers made from recycled and/or compostable materials. They come in a few main types: poly mailers (made from recycled plastic), corrugated mailers (like thin cardboard), and padded mailers (with recycled kraft paper padding).

The key differentiator is that they're all designed to be curbside recyclable or compostable, depending on the exact product and your local facility. According to USPS (usps.com), standard poly mailers in the right size range can cost $0.73 to $1.50 to ship via First-Class Mail.

Does EcoEnclose offer free shipping?

Yes, and this is one of their main selling points. EcoEnclose offers free shipping on all orders within the contiguous United States. It's not conditional on a minimum order amount, which is actually pretty rare in the packaging world.

In my experience, most vendors will give you free shipping over a certain threshold—say, $100 or $200. EcoEnclose just does it for everything. That makes a real difference when you're prototyping or just need a small batch of 50 mailers. The shipping cost on a small order from another vendor could easily be $10-12, which adds 20% to the cost.

What sizes do their poster boxes come in?

This is a common one, especially if you're selling art prints or limited edition posters (like the Olivia Rodrigo GUTS tour posters that went viral last year). They offer a range of triangular and rectangular poster boxes.

From what I've seen, the most popular sizes for 11x17 and 18x24 inch prints are the 2x18x24” and 2x20x26” triangular boxes. Important caveat: I'm recalling these sizes from memory; always check their specs before ordering. For a large-scale project we did in 2023, we ordered 500 of the 2x20x26” boxes and they fit 95% of our poster sizes, but we had to special-order a custom size for a 24x36 run.

How many ounces is a standard water bottle?

This might seem like a weird question for a packaging site, but it's actually really relevant if you're shipping liquids—like, say, branded water bottles for a corporate event or a subscription box. A standard single-use plastic water bottle is 16.9 oz (500 ml). A more “retail” metal or reusable bottle is typically 24 oz or 32 oz.

Why does this matter? Because the weight impacts your shipping cost. If I remember correctly, a 24 oz empty steel bottle in a medium EcoEnclose mailer weighs about 14 oz. That puts you in a higher USPS Priority Mail rate bracket than a 16.9 oz bottle. So, if your product is a 20 oz bottle, you might actually have a cost advantage over a 24 oz one. It's a small difference, but it adds up over hundreds of orders.

Are EcoEnclose mailers worth the premium compared to standard poly mailers?

My honest take? Yes, if your customers care about sustainability. No, if you're purely optimizing for the lowest per-unit cost.

Here's the deal: a standard clear poly mailer from a bulk supplier might cost $0.12 each. An EcoEnclose recycled poly mailer is more like $0.20-$0.28. So you're paying about double per mailer.

But—and this is the value-over-price part—if your brand is built on eco-consciousness, using a non-eco mailer is a brand risk. We tested this in Q1 2024. We sent a survey to 200 customers and 60% said they'd pay $1 more for shipping if it meant the packaging was recycled. Think of the mailer cost as a marketing investment, not just a cost of goods.

What should I know about ordering EcoEnclose for a rush job?

In my role coordinating fulfillment for an e-commerce brand, I've had my fair share of panic orders. Here's a real example: in March 2024, 36 hours before a product launch, our standard mailer supplier said they were out of stock of our 10x13 size.

We called EcoEnclose. Their standard lead time is 2-3 days for production, plus shipping. Since it was a rush, we paid for overnight shipping on top of the order. The total extra cost was about $80 for a $400 order, which is a 20% premium. But we saved the launch. The alternative was using a non-eco mailer from a local supplier at a 30% premium, which we didn't want to do.

If you think you might need a rush order, I'd recommend keeping a small buffer stock of your most common sizes. That's the real lesson from that experience.

Is the “recyclable” claim actually true?

This is the big one, and I'm glad you asked. According to the FTC's Green Guides (ftc.gov), for a product to be claimed as “recyclable,” it must be recyclable in facilities where at least 60% of consumers have access.

EcoEnclose's mailers are generally curbside recyclable (check your local rules). Their poly mailers are made from 100% recycled content and are recyclable at store drop-off locations (like at major grocery chains) as well as many curbside programs. The corrugated mailers are curbside recyclable everywhere cardboard is accepted.

The “compostable” claim is trickier. Their padded mailers with paper padding are home-compostable, which is a real advantage. Their poly mailers are technically industrially compostable, but those facilities are rare. The FTC guidelines require that a compostable claim be clear about the conditions. I think EcoEnclose does a good job with that on their site, but I always recommend double-checking the certification (like BPI or TÜV) for specific products.

So, bottom line: EcoEnclose's free shipping is a genuine advantage. Their mailers are a solid choice if your brand values sustainability. And always double-check your specific product size and weight against their specs and your shipping rates. Trust me on the buffer stock part.