MTG: Kaldheim featuring Niko Aris PRO 100 Deck Box - Rules of Play says:

Show up to your next game night in style with the PRO 100 Deck Box featuring art from Magic: the Gathering set releasing January 2021! This deck box holds 100 double-sleeved cards and includes a matching card divider for premium deck organization. PRO 100 Deck Boxes are light, easy to carry, and made with archival-safe, rigid polypropylene material to protect your cards. The self-locking lid design provides secure storage for your cards. With full color printing and limited production, this Deck Box is a great addition to any MTG collection.