The #1 Military Grade Protective Cargo Cases – The Seahorse 12-Series offer the most protective, multi-use, cargo cases on the market. These cases are designed for professional transportation, built from solid polypropylene construction with expanded I-beam support and tested to last. The SE1233 is our mid-size large case in the line-up, with an internal depth of 8.6 inches.
Tough Enough for TSA – Easily meet TSA requirements with this TSA Approved, ATA-300 rated case that will stand up to flight after flight. Securely lock your case with five TwistLock Latches and two integrated metal-clasped eyelets for TSA approved locks. Metal Keyed Locks upgrade is also available. Check out our blog about Air Travel with Evergreen Cases.
Waterproof, Crushproof, Adventure-Proof –Virtually indestructible, it’s built to withstand any environment. Rigorously tested to be rustproof and IP67 Waterproof, this tough case is also dustproof and impact resistant. It’s even proven to float with contents under 146 lbs! Ideal in environments exposed to the elements, flood zone, camping, or as a rooftop rack cargo case.
RimFlex Wheels + Extendable Pull Handle –You’ll experience the quietest, smoothest glide with RimFlex, comolded shock absorbing wheels. Specifically designed to provide effortless transportation whether you are traveling through the airport or across town. The extendable pull handle gives you the flexibility to maneuver the case effortlessly with one hand.
TwistLock Latches + Premium Handles –A unique line feature, TwistLock Latches create waterproof security and prevent accidental opening. Equipped with Automatic Pressure Equalization, opening the latch instantly equalizes the pressure. Designed with three wide grip handles, no detail was overlooked with the Seahorse 1233.
Interior Options – Our specialized interior options provide for endless uses. Experience amazing protection Empty, or upgrade to AccuformFoam, or PROFoam.
AccuformFoam – Customizable AccuformFoam provides a perfect fit with low-density, pull-apart foam that cradles equipment.
PROFoam – Premier customization is easy with PROFoam which maintains shape over time, and allows for varying depths simply with a knife.
Ultimate Protective Hard Case – Works great for protecting cameras, cinema drones, videography equipment, telescopes, drones, Gimbal. Use it for camping, on a luggage rack, or create your own truck bed cargo system with multiple options to fit any gear. Whether working in a harsh environment, traveling from job site to job site, or just needing secure storage for electronics or high end equipment – this case ensures items stay dry, secure, and protected.
USA Made / Lifetime Guarantee – Seahorse stands on the integrity and quality of their full line of cases and manufactures EVERY case in the United States. Providing a lifetime guarantee against manufacturing defects is standard operating procedures. For more information, click here.
Dimensions
Exterior: 31.8" x 21.1" x 11.1" Interior: 29.1" x 18.1" x 8.6" Buoyancy: 146 lbs Weight Capacity: 100 lbs Weight Empty: 25.55 lbs
Specs
ATA 300 / TSA Compliant
Made to MIL-STD 810F Standards
IP67 Waterproof
Origin: United States
Materials: Polypropylene
Features
Military Grade Protective Cargo Case
Great as Truck Bed Cargo Case or on Luggage Rack
Crushproof, Rust Proof, Emergency-Proof
Available Empty, with AccuformFoam or PROFoam
Integrated Eyelets for TSA Approved Locks
RimFlexWheels + Extendable Pull Handle
TwistLock Latches with Automatic Pressure Equalization
Warranty
All Seahorse Cases are covered with a Lifetime Manufacturer Warranty against defects in material and craftsmanship.
ONE SHEAR® Pro
Original design, trusted by thousands of professionals worldwide
Heavy-duty stainless steel build, designed for first responders, military, and tactical gear
Cuts through tough fabrics, webbing, boots, and gear reliably
Best for users who want a proven, all-around trauma shear
ONE SHEAR® V2 (DLC Coated, 2.25mm)
The next evolution of the Pro with upgraded Diamond-Like Carbon coating
DLC provides extreme durability, scratch resistance, and corrosion protection
Built for the harshest environments and long-term heavy-duty use
Ideal for paramedics, law enforcement, military, and survivalists who demand the toughest option
ONE SHEAR® Mini
Compact, lightweight version for Everyday Carry (EDC)
Cuts bandages, tape, paracord, and light materials with ease
Perfect for range bags, hiking kits, glove compartments, and compact first aid setups
Best choice for adventurers, outdoorsmen, and anyone needing a pocket-sized solution
ONE SHEAR® BUS (Basic Utility Shear, Fluoride Coated, 1.8mm)
Budget-friendly model, crafted from rolled J2 420 steel with fluoride coating
Great for medical students, training environments, and light clinical use
Cuts bandages, gauze, and clothing but not designed for extreme-duty scenarios
Ideal as a starter shear, classroom tool, or backup option
All Items are Shipped using USPS at this time; unless international orders than UPS.