This is a Gallon bottle of liquid, 128 Fluid Ounces of 99.9% pure 100% undiluted DMSO. This is a PHARMACEUTICAL GRADE SOLVENT and should be used only in a Laboratory. This product is shipped in a container recommended by the manufacturer. The manufacturer recommends that DMSO be stored in polyethylene or polyethylene lined containers (CAS:67-68-5 EINECS: 200-664-3). If you consider transferring the contents into another container, glass is not mentioned, but it is subject to breakage and difficult to hold. While it is claimed by some people to be widely used for medicinal purposes, it is not approved by the FDA and prolong or repeated contact may dry skin and cause irritation. It is a great solvent, but care must be used when applying it as it absorbs through the skin into the blood stream, almost instantly. No warranty of fitness for any particular purpose, warranty of merchantability, or any other warranty, either expressed or implied, is made. We"ve been selling DMSO for over 30 years! We have alot of experience and knowledge of this product. Buy from someone you can trust! ***Please be aware that chinese DMSO costs a fraction of what 99.98% costs. We never sell anything less than 99.98%. We will provide a Certificate of Analysis with the purchase of 1 gallon or more upon request.*** Not a product of China