As noted above, there are basically three types: A fixed, rigid Kapok-type; manually inflatable, and auto-inflating (both CO2). Your requirement not to be cumbersome eliminates the first.
Of the...
Type: Posts; User: idlerick
As noted above, there are basically three types: A fixed, rigid Kapok-type; manually inflatable, and auto-inflating (both CO2). Your requirement not to be cumbersome eliminates the first.
Of the...