Perfect Compatibility - Fits all Ninja blades with a diameter of 10 cm. Measure your blade and the diameter of the cups to screw in must be about 4 inches. NOT SUITABLE FOR NINJA MIXERS THAT ARE 3inch IN DIAMETER OR COME WITH 16 OZ CUPS PREMIUM QUALITY - All components are BPA free. Made from Tritan material for durability and clarity, dishwasher safe. [TO-GO LID]Includes drinking and sealing lid so you can easily mix and run. You no longer have to drink all your drink at once. Instead, unscrew the practical to-go lid and take your drink with you [Perfect Use]Standard and metric measurement marking scale line for easy measurement of your drink content, so you can make the perfect blend every time. Tips: Please do not overfill. To avoid spills, do not add ingredients to the "Max" fill line<br><br>Note: Brush random color, do not accept the specified Colour:As Shown Material:Plastic<br><br>Package Contents: 2x 32oz Replacement Mixing Cup with Sip Lid 1x brush<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.