Type IV PFDs: Throwable Devices (Not Wearable)
These cushions and ring buoys are designed to be thrown to someone in trouble. Because a throwable device is not designed to be worn, it is neither for rough waters nor for persons who are unable to hold onto it.
![Type IV PFD ring buoy Type IV PFD ring buoy](https://ke-courses-production.s3.amazonaws.com/asset_files/production/1603/attachments/original/pfd_type_iv_ring.jpg?1504019520)
![Type IV PFD cushion Type IV PFD cushion](https://ke-courses-production.s3.amazonaws.com/asset_files/production/1604/attachments/original/pfd_type_iv_cushion.jpg?1504019521)