Free US shipping on orders over $99.00
Underlined Supply

Help

Frequently asked questions

Shipping

How fast do you ship?+

Orders placed before 2pm ET on business days ship the same day. Most US orders arrive in 2–5 business days.

Do you offer free shipping?+

Yes — standard US shipping is free on orders over $99.00.

Do you ship internationally?+

We currently ship within the United States only.

Returns

What is your return policy?+

Unopened, unused items can be returned within 30 days of delivery for a refund or exchange.

Can I return opened cartridges or ink?+

For hygiene reasons, opened sterile items, needles, cartridges and ink are final sale.

Compatibility

Do EZ cartridges fit my machine?+

EZ and Tex cartridges use the universal cartridge standard and fit virtually all rotary pen machines.

Which power pack fits my EZ machine?+

The P3 Pro Power Pack fits P3 Pro and P3 Pro Turbo. The P6 Pro Power Pack fits the P6 series.

What does #10 vs #12 mean?+

Needle gauge: #10 (0.30mm) is a fine bugpin for crisp lines; #12 (0.35mm) is the standard all-rounder.