130 kg (hammocks in large),
160 kg (XL) or
200 kg (hand woven hammocks in XL)
so that they can easily carry 2 persons. How much hammocks do resist shows the picture... (!)
BAHIA hammock chairs...
... have a carrying capacity of at least 120 kg.
A hint: in terms of security most important is the secure mounting of the suspension on the wall, ceiling or the pole. In order to reduce abrasion you should consider that the suspension does not rub against the ropes of the hammock.