Women's Maxi Hostess Dress Dagger Collar Navy Blue Red White Design 1960's. 

 High slits on both sides. Large pointed collar. 

There is no fabric content tag but I believe it to be polyester.  

And, there is no size tag so please follow measurements:

underarm to underarm - 20. 5"

sleeve from shoulder to cuff - 22"

Waist 40"

Hip area approx 42"

length from top back to bottom is - 56"

Gently used condition.

This item is sold from a vintage boutique in Scranton, PA.