Cardboard Mailable 3D Slide Viewers

These viewers can view stereo slides in a steal the light (hold up to the light) fashion. They allow light in from the top. Also included is a plastic wallet that will hold three slide pairs and keep them and the viewer dust-free. This is great for mailing views and viewers to friend and family. It is available in both 2 x 2 x 2 and Realist format.  Assembly (folding) required.

This is for a quantity of 1.  

Instructions for assembly are here and here.