Reddit reviews BlenderBottle Classic Loop Top Shaker Bottle, 28-Ounce 2-Pack, Clear/Black

Pack of two, 28-ounce capacity (note: measurements only go to 20 ounces) shaker cups for mixing protein shakes, smoothies, and supplementsPatented mixing system uses 316 surgical-grade stainless steel BlenderBall wire whisk found only in BlenderBottle brand shaker bottlesScrew-on lid creates leak-proof seal, and flip cap snaps securely shut to keep contents contained; loop top for easy carrying or attaching keysWide mouth makes it easy to add mix scoops and liquids, and embossed markings measure both ounces and millilitersIncludes two shaker bottles; BPA and phthalate-free, dishwasher safe; manufacturer’s limited lifetime warranty