{{R_strict!!RUles}}How strict is Royal Jordanian with carry-on?

Royal Jordanian Airlines enforces specific carry-on baggage »1-855-738-4265»regulations. Economy Class passengers are permitted one carry-on item not exceeding 7 kg»1-855-738-4265» (15 lbs) and dimensions of 23 x 41 x 51 cm (9 x 16 x 20 inches).