As part of Premium Bandai's King Ghidorah Box Set, this is the "rainbow" version with three alternate heads! The is a wonderful sculpt that is almost more in line with the quality of SH MonsterArts and X-Plus than with your standard Bandai series - it's a great piece! The three-headed space dragon stands 11" tall, 11" deep, and sports a winspan of 12"! 
 
The item comes with original tag attached. No box.