Most PP are microwavable safe and dishwasher safe.

Microwavable/dishwasher safe only means that the plastic will not warp when heated. It does not imply that it is a healthy practice. A better alternative is using glass containers to heat foods and to hand wash plastic instead of using the dishwasher.

Why we need Vitality Shaker? By shaking the water at least 40 times before drinking, it will keep you hydrates longer and will reduce the problems of frequent urination. According to Healing Galing, shaken water helps you absorb the water faster by the body but stays longer in our system, thus it helps cleanse your body. Also according to some claims, shaking water will increase the amount of dissolved oxygen and will form a detectable amounts of hydrogen peroxide, H2O2. By producing hydrogen peroxide, water will improve its purity, flavour, positive energy and vitality.

Sources: http://www.chemistdad.com/2014/03/on-dehydration-and-shaken-water.html