Smartshake Insulated Steel, Black, 25 oz (750 ml)

The Smartshake Insulated Steel shaker is a 25-ounce (750 ml) container designed for keeping beverages cold during workouts or on-the-go use. It features double-wall vacuum insulation that the manufacturer states can protect temperature for up to six hours, along with a wide opening and curved bottom intended to facilitate easier cleaning and prevent powder residue.

Constructed from 18/8 pro-grade stainless steel, this shaker is marketed as leak-proof and backed by a warranty. It includes volume markings in both milliliters and ounces for precise measurement. The product is also available in other color variants such as Faded Blue, Dusty Plum, and Racing Green, providing options for personal preference. Manufacturer instructions specify handwashing only for maintenance.