Enhance your horse's performance and weight gain with the Cox ActiFlex Senior Joint and Weight Gain Horse Supplement. This 6lb 2.72kg refill bag is designed to provide your equine friend with the necessary nutrients to improve its joint health and overall well-being. Made by 3M, a trusted brand in the equestrian industry, this horse supplement is perfect for outdoor sports enthusiasts who want to see their horse perform at its best. The unit type is in pounds, making it easy to measure and adjust the dosage according to your horse's weight.