Listings most commonly rate hammock cocoons around 450 lb capacity; some list slightly higher (about 475 lb) and one listing cites a much larger 450 kg (992 lb) rating.
Some hammock cocoons are sold as complete hammock-and-stand kits (stand included) while others are hammock-only items designed to be hung between trees or posts or used with a separately purchased stand.
Bed lengths in the listings vary; examples include 71 inches, 78 inches, 110 inches, and up to 144 inches. Overall the shown sleeping-area lengths range roughly from about 71" to 144".
Comfort features include quilted fabric or soft cotton filling, detachable or removable pillows/neck cushions, and padded sleeping surfaces for added support.
Common portability features are compact carrying, travel or storage bags, and designs that fold or pack down for beach trips, camping, or other travel use.