Features Contains Msm A Natural Anti-Inflammatory That Stimulates Circulation For Temporary Relief Of Muscular Soreness, Stiffness Or Swelling Caused By Exposure, Overwork Or Exertion The Natural Extracts & Oils In The Products Do Not Require Wrapping Capacity - 16 oz. Item Weight - 1.05 lbs. Check out some reviews on it: "Best muscle and joint product I have found. My wife and I both use it for our arthritis and joint pain. Super product." "I've been using this product for almost a year now on my 20 year old who has arthritis. He now enjoys going on rides and keeps up with the younger horses. I also have a 1 1/2 year old rescued gelding that has stifle problems and he is walking better and is starting to run alittle after a good rub down with this. Love this stuff."