Made from Merino wool felt, our Star Glas sleeves were designed to keep your drinks hot and your hands safe. Make it a set or mix and match the colors with our glassware for a collection that is uniquely yours. Fits our Glas Tumbler Large. * Please Note: Final Sale items cannot be returned or exchanged. Benefits of Merino Wool Sustainable, biodegradable, and renewable Odor, stain, heat, and dirt-resistant Oeko-Tex® Certified See all the benefits of our Merino wool How to clean and care for your fabric ---