Easy to use our advance design let you open the lid with just a simple push of the bottom You can open and drink with one hand, let you stay hydrated while performing other actions The mixer ball wire whisk add your ingredients, drop in the nayasa classic protein shaker mixer sports bottle, and shake Mixer ball wire whisk whips around inside the bottle, mixing your drinks to a smooth consistency, every time No leaks comes with a leak proof, insulated, bpa and phthalates free cap. The stainless steel lid will prevent any accidental spills Widely use it is large enough (700ml) to keep your water all day when you are in gym, practice, class, hiking, yoga or others sports Nayasa shaker bottles are 100 food grade material the most safe healthy material for bottles which is bpa free. Eco friendly, safe for all Perfect for protein shakes, smoothies, pancake batter, and more dishwasher safe, bpa- and phthalate-free Nayasa shaker bottle has the wide mouth allows the water to stream out while on the go to help you stay hydrated Attractive volume measurement scale nayasa premium bottle shakers with volume measurement scale is designed to give perfect satisfaction for the volume of your protein shake. The perfect way for making your favorite drinks cold coffee, milkshakes. Buttermilk, ice-tea, mock tails, protein shakes etc. Advanced anti-leak technology makes the cap and lid safe for hot and cold drinks. Fits in most car drink holders.