The ShakeSphere Tumbler Protein Shaker Bottle is a 24oz silicone bottle in matte grey color, designed for cold beverages. It features a drink-through lid, making it easy to sip your drink on the go. The bottle is freezer safe and comes with a lid, making it convenient for personal use or for taking your favorite cold drinks with you wherever you go. The sleek tumbler design and quality construction by ShakeSphere make this shaker bottle a practical and stylish choice for those looking to enjoy their favorite cold beverages in style.