Christmas Tree Coil Spring Hat This is not your traditional Santa hat; this hat is very unique! Green coiled spring Christmas tree hat complete with presents, bulbs, ornaments and a gold star to top it off. Five assorted colored one inch presents with bows are attached to the trim. ou are sure to stand out at your Christmas gathering with this Christmas tree hat. Hat measures 23 inches around the inside circumference and about 14.5 inches tall.