• 2 BOTTLES OF 16 OZ(400ML) MEASURE LINE,FILL UP TO 20 oz EACH
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• Patented mixing system uses 316 surgical-grade stainless steel BlenderBall wire whisk found only in BlenderBottle brand shaker bottles
• Screw-on lid creates leak-proof seal, and flip cap snaps securely shut to keep contents contained; loop top for easy carrying or attaching keys
• Wide mouth makes it easy to add mix scoops and liquids, and embossed markings measure both ounces and milliliters

BPA and phthalate-free, dishwasher safe