SHIFTER Protein Shaker BottleSAFE AND HEALTHY:  SHIFTER Protein shaker water bottles are 100% BPA , nontoxic and recyclable materials. All cups are dishwasher safe for easy cleaning. Made With 5 PP (polypropylene). Polypropylene is a low-toxin plastic that is tolerant of heat.Shaker Bottle Features:1) Suitable for hot warm cold water. Perfect for protein shakes; smoothies; pancake batter; scrambled eggs; fiber drinks; dressings; meal and more.2) Non-toxic PP mixer ball whisk moves freely inside the bottle as you shake; mixing even the thickest ingredients with ease. Enjoy your drinking and nutrition when you are in sports; good for avid gym goer.3) PP stirring ball; better shake; better mix. Drink with open; quickly and conveniently.4) Wide mouth design: easy to add ice and clean; easy mixing.5) Make you taste the joy of exercise in motion; the stimulation of competition; cooperation; pleasure; make you experience setbacks and courage; failure and success; striving and victory.How to use  SHIFTER Protein Shaker Bottle:1) Open the lid.2) Pour the quantitative nutrition powder into the shake bottle.3) Add the right amount of water (recommended warm water below 40 / 104).4) Cover the lid; shake the bottle (the mixer ball wire whisk is inside the bottle).5) A key to open the lid; then you can enjoy your drinks.