There are plenty of fancy drones on the market but many of them have limited payload capacity. The Draganfly Heavy Lift Drone is a multi-rotor unmanned UAV for deliveries. It has 67lbs payload capacity, 30km range, and 55-min flight time.
This drone has a payload box that can fit objects up to 15″ x 17″ x 34″ in size. It can handle heavy winds and high elevation. You can find out more about it here.