S3 Cases – Waterproof Protection for Compact Gear & Electronics

S3 Cases are known for their small, rugged, injection-molded plastic designs that offer waterproof, dustproof, and crush-resistant protection for sensitive gear. Made in the USA, these cases are ideal for electronics, tools, first aid kits, sensors, optics, and handheld equipment where a compact form factor is critical.

Why Choose S3?

• IP67 Waterproof Rating – Keeps contents protected from water, dirt, and debris
• Lightweight & Compact – Great for travel, outdoor kits, and tactical packs
• Built-In Pressure Equalization – Ideal for air travel and altitude shifts
• Foam or Divider Interior Options – Customize the interior for secure fit
• Trusted by Military, EMS, Outdoor, and Scientific Industries

We carry a curated selection of S3 Cases in multiple sizes and colors. They’re a great solution for protecting compact electronics, handheld devices, and mission-critical gear without the bulk of a full-size case.