Description
S-Line Black BiTurbo – Royal Box Metal Series
Overview
The S-Line Black BiTurbo is a high-capacity, ultra-slim storage case designed for those who value both form and function. It offers two parallel compartment rows to deliver extra room without adding bulk. Moreover, the matte black finish gives it a refined, stealthy look that fits everyday carry perfectly.
Design & Build Quality
This model is crafted from anodised aluminium in a deep black tone. The metal is durable yet light. It feels solid in your hand. The sliding cover moves with ease and closes with a satisfying click. Because of its slim height—just under 5 mm—it fits easily into a pocket or bag, so it stays discreet no matter where you are.
Double-Row Layout & Practical Use
Inside the case you’ll find two rows of precision-cut compartments, making it possible to organise your items with clarity and purpose. In addition, the compact footprint means you retain a minimal carry profile. Whether you use it for travel, day-to-day or special events, this layout brings both flexibility and style. The design therefore provides an enhanced capacity without sacrificing compactness.
Everyday Carry & Style
Thanks to its ultra-slim build and dark finish, the Black BiTurbo integrates smoothly into a jacket pocket, briefcase or minimal gear setup. The matte black tone pairs well with both casual and professional attire. As a result, it blends into many settings while offering strong, understated style.
Gift-Worthy Appeal
If you’re looking for a standout gift, the Black BiTurbo is a smart choice. Its robust build, refined materials and practical design appeal to professionals, style-conscious users and collectors alike. It works for birthdays, milestones, business events or personal treats. (Contents not included.)
Summary
In short, the S-Line Black BiTurbo by Royal Box combines high capacity, premium materials and ultra-slim design into one sleek package. It protects your items, offers refined organisation and travels easily with you. If you want a premium and reliable storage case, this model stands out as a strong choice.




