Auto device for life jacket 1.part for manual inflatable life jacket 2.easy to handle 3.size:9cm*3.4cm

Auto device for life jacket 

1.part for  manual inflatable life jacket2.easy to handle3.size:9cm*3.4cm  

Features:

1.Match with the inflatable life jacket

2.Accessories for the inflatable life jacket

3.without bobbin

Auto device for life jacket