There is a weight limit of 30kg (66 pounds) for the largest Trolley Bag that can be checked in. Health & safety regulations limit check-in bags to 35kg (77 pounds). The airline will refuse any bag over 35 kg. There are also size restrictions for trolley bags: the largest size that can be checked on a plane is 81 x 59 x 34cm (31 x 23 x 14 inches). You might be entitled to additional allowances based on your ticket class, such as extra luggage, large luggage, etc. It is recommended that you check with your airline before traveling.