Premium Material : This shaker cup is made of food-grade material and stainless steel, BPA-free, phthalate-free, safe and secure for daily drinking. The bottle is durable, eco-friendly, and scratch-resistant.
 Leak-Proof & Spiral Blender : The screw-on cap and leak-proof flip lid keep the shaker bottle secure. The spiral blender ensures a smooth, lump-free mixture, perfect for mixing nutritional powders.
 With Scale : The protein shaker bottle features embossed measurement markings to help you track the amount of protein powder and supplements, making it ideal for gym, mountaineering, and outdoor travel.
 Three-layer Design : Includes 21 oz (about 650 ml) capacity shaker cup with 3 extra compartments for protein powder, vitamins, or pills.
 Durable and Easy to Clean : High-temperature resistant, suitable for both hot and cold beverages, and dishwasher safe for easy cleaning.