Product details:<br> 1. Small caliber design: suitable for drinking water after exercise and preventing water overflow when drinking<br> 2. Widen the mouth of the large cup: easy to clean without leaving stains<br> 3. Spiral cover: sealed without water leakage<br> 4. Healthy PP material: durable and durable<br><p> Specification:<br> Net weight:100g<br> Size:16.8*9.2(cm)/6.6*3.6''<br> Material: PP<br><p> Package Included:<br> 2*Blender bottle<br> 2*Stirring Ball<br><p> Instructions for use: <br>Please thoroughly clean the cup and stirring ball before using it for the first time. <br>After adding the powder, pour in water. Be careful not to use hot water or beverages.<br> It is best to use warm water or room temperature water, and then add a stainless steel stirring ball, tighten the bottle cap, pay attention to the small bottle cap on the bottle cap, and close tightly. <br>There will be a "click" sound, and then just shake the cup with your hand.<br> Do not fill up the water each time, leave a certain space in the cup for easy mixing.