Full neck sweat is made for working your mini only. Should not be left on as the neoprene will burn the skin if it gets too hot. One size. Has 3 velcro removable strips. Made in America by Tina. Horse compliments of Aloha Acres. Measures as follows: From top, behind the ears to the withers......20" Width at the top is 26" and width at the bottom is 33".