Thinking about mailing Delta-9 gummies to a friend or family, but unsure if it’s legal? You’re not alone. Shipping THC products sounds simple until you realize three things can all matter at once: federal hemp rules, the destination state’s laws, and the shipping carrier’s policies.
This article breaks down the laws and mailing guidelines for Delta-9 gummies, what USPS and private carriers look for, and how to reduce the risk of a package being delayed, returned, or confiscated.
Can You Mail Delta-9 Gummies?
Yes, you can mail Delta-9 gummies domestically within the U.S. if they qualify as hemp-based products under federal law and you comply with the rules.
USPS allows hemp and hemp-based products (including CBD) in domestic mail when the hemp (or its derivatives) stays within the 0.3% THC concentration limit, and the mailer complies with federal, state, and local laws and keeps records proving compliance for at least 3 years.
That said, state laws still matter. Some states restrict or ban certain hemp-derived THC products even if the product meets the federal hemp definition. If the destination state prohibits the contents of your package, it may be stopped, returned, or seized.
Tips for Safely Mailing Delta-9 Gummies
1) Check destination-state rules first
Before you ship, confirm the destination state allows hemp-derived Delta-9 products. If that state bans or restricts them, you take the risk—not the carrier.
2) Keep the COA and compliance records ready
USPS requires you to retain records that establish compliance for at least 3 years.
That usually means you keep:
A recent third-party COA for the exact product or batch
Proof of purchase/order details
Any compliance documentation the brand provides
Important: USPS focuses on record retention. It doesn’t require you to place the COA inside the box, but keeping it with you is smart in case questions come up.
3) Use normal, clean packaging (not “sneaky” packaging)
Don’t make the package look suspicious. You don’t need to “hide” anything—but you also don’t need loud exterior labeling.
Best practice:
Use a sturdy box or mailer.
Seal it well.
Avoid external marketing like “THC Gummies” or cannabis imagery on the outside.
4) Ship only what you can stand behind
If you can’t verify what’s inside (no COA, unclear potency, sketchy source), don’t ship it. That’s where legal and safety issues start.
USPS vs Private Carriers: Which Is Better?
USPS
USPS clearly lays out hemp mailing rules:
Domestic mailing allowed if compliant with the federal law
Records must be kept for 3 years.
International shipping (including APO/FPO/DPO overseas) is prohibited.
For most people shipping a compliant Delta-9 gummies domestically, USPS is the best choice.
UPS
UPS says it accepts hemp derivatives or products containing hemp derivatives only when permitted by applicable federal, state, and local laws.
So UPS can work, but you still carry the compliance burden, and UPS policies can be strict about what they’ll transport.
FedEx
FedEx publicly states that CBD products are permitted for parcel services only if they contain hemp-derived CBD with a THC concentration of 0.3% or less and comply with all laws.
FedEx’s public-facing language focuses on CBD, so if you’re shipping Delta-9 THC gummies, don’t assume the same acceptance without checking the current service guide/policy for your shipment type.
Where Mailing Delta-9 Gummies Can Go Wrong
Most shipping problems happen for predictable reasons. If you avoid these, your chances of a smooth delivery go up.
You ship to a state that restricts hemp-derived THC
A product can be legal in your state and still restricted where it’s going. If the destination state bans or limits hemp-derived Delta-9 gummies, the package can be returned, seized, or create legal trouble for the sender or recipient.
The product doesn’t have clear compliance proof
If there’s no recent COA (lab report), or the COA doesn’t match the product/batch, you have no good way to prove what you shipped. That’s where shipments can get flagged.
The label or product details are vague
Packages cause issues when the product labeling looks suspicious or unclear, such as:
No mg per gummy listed.
“proprietary blend” hiding THC content.
missing manufacturer details.
No batch number tied to lab results.
The carrier’s policy doesn’t allow that product type
Even if a product meets hemp limits, a carrier may still restrict THC-related products under its own rules. That can lead to rejection, delay, or return.
You try to ship internationally
International shipping is where things become risky because laws vary widely across countries. USPS also restricts hemp products in international mail.
Your packaging triggers extra scrutiny
You don’t need to hide anything, but you also don’t want to invite problems. Loud exterior labeling, cannabis imagery, or sloppy packaging can increase the likelihood that your shipment will be questioned.
FAQs about Mailing Delta-9 Gummies
Which shipping carrier should I use for Delta-9 gummies?
USPS provides the clearest written rule for hemp-based products and requires record retention. UPS and FedEx have their own restrictions, so confirm the carrier accepts your shipment type before you ship.
Do I need documentation to ship Delta-9 gummies?
Including a Certificate of Analysis (COA) of the gummies is recommended. USPS requires you to retain compliance records (like lab test results/COAs and related documentation) for at least 3 years.
How can I package Delta-9 gummies?
Use sturdy, sealed packaging. Keep the exterior clean and non-promotional. Avoid exterior labeling that screams what’s inside.
Can I mail Delta-9 gummies internationally?
Mailing Delta-9 gummies internationally is not allowed. Hemp-derived products are subject to varying international laws, and most carriers prohibit the shipment of THC-containing products across borders.
Final Thoughts
You can legally mail Delta-9 gummies in the U.S. when they qualify as compliant hemp products and the destination state allows them. USPS makes this simple: stay compliant, keep your records for 3 years, and keep shipments domestic.
If you want fewer problems, don’t cut corners: verify legality, keep the COA, package normally, and avoid international shipping completely.
Disclosure:
The information provided in this article is meant for general use only and may not always suit everyone’s individual needs. Your health and wellness are personal, so you should consult a medical professional for personalized advice before making decisions based on our content.
For more information, please read our Disclosure Policy.