Optiparts buoyancy bag. Normal valve, Color yellow
size inflated 29 cm x 92 cm, content : 48L
size deflated 44 cm x 98 cm, radius 5 cmHeavy duty buoyancy bags. According to IOD'95 rules.
These bags are made of polyurethane coated nylon and are about half the
weight and significantly stronger than bags made of PVC or PVC coated
nylon. Some bags are available with a twist lock tube valve.This valve is
attached to a piece of tubing. With this valve the bag can easily and quickly
be inflated and deflated. 48L bags are slightly heavier than 43L bags but
after a capsize there is a lot less water in the boat.