Brew Armor Silicone Mason Jar Sleeve 16 oz. (Pint) Wide-Mouth by Brute Kitchen (2 Pack) (Burnt Cayenne) Brew Armor silicone sleeves are designed for a snug fit around the 16 oz. (Pint) WIDE-MOUTH mason jar. Durable, BPA-free, dishwasher safe, stain and odor resistant, hygienic and hypoallergenic with no open pores to harbor bacteria. Use Brew Armor sleeves on-the-go with: shakes; protein smoothies; single-origin cold brew, Bulletproof'd coffee; matcha; kombucha, oatmeal and more. Pure FDA untreated silicone; Treat w/ coconut oil to prevent water spots after washing. Comes with (2) Brew Armor Sleeves; Mason jar is not included.