sentences:  Myanmar National Airlines has been introducing new cabin interiors and in-flight entertainment since June 2015 on their new fleet of Boeing 737-800 and ATR 72-600 aircraft.Business Class is only available on the new Boeing 737-800 aircraft.The Business Class seats have 21 in (53 cm) width and recline to 42 in (107 cm) of pitch and feature electrical outlet and leg rest.