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Subscription box add-on bundles that lift Shopify AOV in 2026
A standard box is $35. A box with "add-on extras" is $52. Add-ons let subscribers customize and spend more per shipment without changing plans. Bundle the upgrade.
$35
Average standard subscription box
$52
Average box with add-ons selected
48%
Of subscribers who add extras when offered
Subscription box add-ons let existing subscribers spend more per shipment. The box is the base. Add-ons are the upsell. 48% of subscribers select at least one add-on when offered before each shipment.
The hacks
Pre-shipment add-on marketplace
Before each box ships, show subscribers 5-8 add-on items at $5-15 each. "Add to your next box" with one click. The pre-shipment window creates urgency. Items ship together so no extra shipping cost. Subscribers add 1.8 items on average.
Full-size upgrade bundles for discovered favorites
"Love It? Get the Full Size" bundle with 2-3 full-size versions of past box samples ($38, added to next shipment). Subscribers who tried a sample and loved it want the full size. The upgrade bundle captures that demand at the moment of highest intent.
Seasonal bonus box add-ons
"Holiday Bonus Box" ($25 add-on to regular shipment, includes seasonal exclusives). Seasonal bonus boxes create excitement and additional revenue without changing the subscription price. 52% of active subscribers add the seasonal bonus.
Double box option for gift giving
"Send a Second Box" option: subscribers can add a second box to their shipment for a friend at 20% off ($28 instead of $35). The second box rides the same billing cycle. One subscriber, two boxes, double the revenue.
Premium product swap bundles
"Premium Swap" lets subscribers upgrade one item in their box to a premium version for $8-12. A $12 skincare sample swapped for a $35 full-size serum. The swap adds revenue while giving the subscriber more control over their box.
Show add-ons 3-5 days before each shipment
The pre-shipment window is the highest-intent moment. Subscribers are already thinking about their next box. A "customize your box" email 3-5 days before shipment captures the excitement.