The Wheeled Hard Case with Second Skin in red from HPRC is a lightweight, unbreakable case with an ergonomic handle and a steel pin. It has a valve to adjust the air pressure automatically, and the internal O-ring, made of neoprene PA66, makes the suitcase water resistant. The opening and closing system prevents the hooks from opening in case of a fall. Robust closing hooks made of double material Reinforced corners make it shock resistant Enhanced secondary handle Wider soft-touch overmold Nameplate included with the case Wheels can be personalized with your company name Compatibility HPRC 2550W - Wheeled Hard Case + Second Skin Line & Divider Kit (Red) Durable Design Constructed from high-quality, Exterior: Polypropylene, this bag features Robust closing hooks made of double material, Reinforced corners make it shock resistant, Enhanced secondary handle, Wider soft-touch overmold, Nameplate included with the case. Fastens to Other Cases Can be fastened to other HPRC hard cases and any bag or belt using its HPRC is a lightweight, unbreakable case with an ergonomic handle and a steel pin.