Vintage 70s 80s Insulated Bag Blue w/ Rainbow Straps San Francisco Goldrush 16"

Vintage preowned blue bag with rainbow straps by goldrush made in San Francisco California.  70s/80s era.  Looks to be in good condition and looks insulated. Closes with velcro. Would be perfect to hold a large thermos or some wine :)  Very small brown mark on outside of bag (see photo).  Measurements: 16 inches tall (not including straps) 10 inches wide when closed