Oster BLSTAV2-BGR-SHP MyBlend Pro Accessory Bottle, Condensation Free, Gray Duo-layer, condensation-free Tritan sport bottle keeps drinks cold 30 percent longer Stylish enough to carry with you throughout the day to stay hydrated; the hook on the lid makes it easy 20-ounce boa-free plastic sport bottle is dishwasher-safe, along with lid 1 Year Warranty Works with Oster My Blend Pro blender