Leak-proof & wire grids - the screw-on lid and leak-proof flip cap keep your bottle shaker where it belongs. Wire grids make the mixture is completely smooth and free of lumps. Offers a convenient way to take powdered nutritional supplements.Durable and dishwasher safe - this shaker bottle made from only food grade material and stainless steel. Bpa-free, phthalate-free, is safe for daily drinking. The bottle itself is very sturdy, eco-friendly and resistant to scratches.Side measurement - embossed ounce and milliliter markings on side of protein shaker bottle. Make sure that you know exactly what you are adding protein powder and how many supplements you are drinking.Space saving pill organizer - take vitamins and pills on the go, without using an entire jar. The unique pill tray locks into any jar lid, making room for both pills and powder in the same jar.Wire whisk - made of grade stainless steel, the blender ball is designed to remain in the bottle while in use, it'll never rust, chip, or peel. The stainless steel net can crush protein powder agglomerate when shaking and block ice and pulp when you are drinking fruit tea.