How long does shipping take?

We offer fast 1-4 business day delivery. Most orders ship within 24 hours and arrive within 2-4 days via USPS First Class Mail.

Are your USPS stamps authentic?

Yes! All our USPS Forever Stamps are 100% authentic and valid for postage. Each bundle contains genuine stamps sourced from licensed distributors.

What is a mystery bundle?

Our mystery bundles contain authentic USPS Forever Stamps with various designs. Each bundle is unique - no two are exactly alike. You'll receive a mix of different stamp designs in every order.

Do you offer returns?

Yes, we offer hassle-free returns within 30 days of purchase. If you're not completely satisfied with your order, contact our support team for a full refund.

Union Arena: The 100 Girlfriends Who Really, Really, Really, Really, REALLY Love You [UE21BT] Booster Pack

Regular price $9.95 Sale

Union Arena: The 100 Girlfriends Who Really, Really, Really, Really, REALLY Love You [UE21BT] Booster Pack

A single English Union Arena booster pack from the UE21BT The 100 Girlfriends Who Really, Really, Really, Really, REALLY Love You set.

12 cards per booster pack
Features Season 1 characters including Hakari, Karane, Shizuka, Nano, Kusuri, and Hahari
82 card types plus Action Point cards
Includes alternate-art card possibilities
North American release date: July 10, 2026

Cards are randomly inserted. Specific cards, alt-art cards, and Action Point cards are not guaranteed.