Conform to SOLAS 1974,as amended.
Crust material: HDPE
Inner material: Rigid polyurethane foam
Drop height: 80 meters.
| Model | Outer diameter | Inner diameter | Thickness | Buoyancy | Weight | Color |
| XT5555 | 720mm | 440mm | 105mm | >14.2kg | ≥2.5kg | Orange |
| XT5555-1 | 720mm | 440mm | 105mm | >14.2kg | ≥4.3kg | Orange |