Ultimate Guard Boulder 100+ Solid Petrol

Compact, durable protection in a sleek, modern color

Protect your deck with confidence using the Ultimate Guard Boulder 100+ Solid in Petrol. Renowned for its rock‑solid durability and minimalist design, the Boulder is a trusted staple for both competitive and casual players.

Designed to hold 100+ standard‑size cards double‑sleeved (or 120+ single‑sleeved), this deck box features a rigid plastic shell and a secure, precision‑fit closure that keeps your cards protected during transport and gameplay. The petrol color—a rich blue‑green tone—offers a refined, modern look that stands out without being flashy.