Lion
The Lion of Jadah is an important symbil to Rastas. The lion appears on the Imperial Ethiopian flag, used in Haile Selassie I's Ethiopia.the lion also signifies strength in one self the rastas believe that they are as strong as a lion.it is also said that the lion appeared on king saloman grave.

Dreadlocks
The wearing of dreadlicks is very closely associated with the movement. They follow the says ("They shall not make baldness upon their hed, neither shall they shave off the corner of their beard, nor make any cuttings in the flesh."), ("All the days of the vow of his separation there shall no razsr come upon his head: until the days be fulfilled, in the which he separateth himself unto the Lord, he shall be holy, and shall let the locks of the hair of his head grow."). this is what the rastas believe in an this is what thet live by

colors
The Rastafari colors of green, gold and red (sometimes also including black) are very commonly sported on the Rastafari flag, icons, badges, posters etc. The green, gold and red are the colors of the Ethiopian flag and show the loyalty Rastafari feel towards the Ethiopian state in the reign of Haile Selassie. The red, black and green were the colors used to represent Africa by the Marcus Garvey movement.
Red is said to signify the blood of martyrs, green the vegetation and beauty of Ethiopia, and gold the wealth of Africa.