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About Custom Mailer Boxes
Custom mailer boxes are the cornerstone of modern e-commerce packaging. With full interior and exterior printing, your brand story begins the moment your customer receives their delivery. Our mailer boxes are available in corrugated kraft, white SBS, and black board — all fully customizable with matte, gloss, or soft-touch finishes.
At The Treasure Boxes, every mailer boxes order includes free dieline design, 3D mockups, and artwork assistance. With no minimum order quantity, 7-day production, and USA delivery to all 50 states, we make premium custom packaging accessible to brands of all sizes — from startups ordering 50 units to enterprises ordering 50,000+.
Why Order Mailer Boxes From Us
No Minimum Order
Order from just 50 units
7-Day Production
Rush orders in 3–4 days
USA Delivery
All 50 states — rates at quote
Free Design Support
Dielines, 3D renders, pre-press
Need Custom Mailer Boxes?
Get a free quote with exact pricing for your specifications. We respond within 4 hours during business hours.
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Frequently Asked Questions
About Mailer Boxes
What sizes are mailer boxes available in?expand_more
We offer fully custom sizing. Common sizes range from 6×4×2" for small items to 18×14×6" for clothing and larger products.
Can I print on the inside of mailer boxes?expand_more
Yes — interior printing is one of the most popular features. Full-colour CMYK printing is available on both interior and exterior surfaces.
How much do custom mailer boxes cost?expand_more
Pricing starts from $0.80–$4.00 per unit depending on size, material, print complexity, and quantity. Get a free quote with exact pricing.
Does The Treasure Boxes offer free shipping?expand_more
No. The Treasure Boxes delivers to all 50 US states only. Shipping rates are calculated at quote based on order size, weight, and destination. International shipping is not available and free shipping is not included on any order.
Where does The Treasure Boxes deliver?expand_more
The Treasure Boxes delivers custom packaging to all 50 US states only. After production (typically 7 business days), delivery within the continental USA takes 3–7 business days. International shipping is not available.