The X-Cell is a small, cylindrical canister with a retro-futuristic design, featuring a metallic body with a glossy finish and a prominent red 'X' emblem on its side. The canister has a ribbed texture for grip, with a screw-top lid that has a slight wear and tear appearance, indicating its use in a post-apocalyptic setting. The interior contains a glowing, luminescent blue liquid, suggesting its potent chemical properties.