Cocoon Travelsheet Coupler

TravelSheet- Coupler

A TravelSheet-Coupler is a TravelSheet with a zipper which
1. is a comfortable TravelSheet for one person.
2. unzips to a sheet for two.
3. zips together with another TravelSheet-Coupler, a Tropic Traveler, an Outdoor Blanket/Sleeping Bag or a Fleece Blanket/Sleeping Bag to make a sleeping bag for two. (COCOON TravelSleepSystem)