Outside dia | more than 725mm |
Inner dia | more than 440mm |
thickness | more than 107mm |
Weight | not more than 2.5 kgs |
Buoyancy | not less than 14.5kg |
Shell | High density polyethylene |
Buoyancy material | Polyurethane foam |
mini order | 500 pcs (in one container) |
Packaging | polywoven bags |