"Weight capacity" refers to the maximum amount of weight or load that a structure, object, or device can safely support or hold without breaking or getting damaged. Full definition
It is also suitable for two kids born less than 30 months apart as it has a recommended maximum weight capacity of 50 pounds per seat. (ultimatestrollerguide.com)
The maximum weight capacity of such a carrier is typically 40 pounds. (checkpregnancy.com)
It also has a high weight capacity of 50 pounds, making it usable for many years. (justbabybeds.com)