Having purchased two Grand Trunk hammocks and hammock frame, I found them to all work perfectly, however, the East coast of Scotland is notorious for its cool onshore breezes even in "summer", making additional insulation essential. After five years of using travel rugs, travel cushions and sleeping bags with my GT hammocks, I discovered that Grand Trunk had designed a sleeping bag hammock and hammock pillow so I ordered both. After paying £112 in duty, due to the lack of a USA-UK trade agreement, the box was duly delivered after a transit of about 14 days which was pretty good. The items were safely packaged in the transit box and the sleeping bag hammock was in its own transit pack with cinch-able plastic buckles but there was also a mesh bag to allow the item to breathe when not on the move - a very useful inclusion. Furthermore, the item came with two snap carabineers which could have been clipped directly to my GT hammock frame, but I used some GT hammock straps from an earlier purchase. The hammock pillow also arrived in an integral transit pouch and was easy to deploy to the correct position inside the hammock's hood. The sleeping bag hammock when opened out has a 'head end' and 'foot end' so work out which way you want to face before deploying the hammock. That done, I just sat inside the edge of the hammock and slid my legs into the zipped open sleeping bag, after a couple minutes I was toasty in ambient temperature of 15C, which is quite typical for a Scottish "summer" hereabouts! This sleeping bag hammock is perfect for daytime hammocking in cool temperate latitudes where sunny days are often accompanied by chilling winds; consequently, I can Highly Recommended this item for this type of location and purpose.