Each showcasing a unique, vibrant marble-patterned design in black, purple, blue, white, and pink. These 40-ounce (1.18 liter) insulated stainless steel cups are highly popular for personal hydration, designed to keep beverages ice-cold or hot for extended periods using double-wall vacuum insulation. Featuring an ergonomic handle, a versatile three-position lid with a reusable straw, and a tapered base that fits securely into standard automotive cup holders, they are widely used for daily commuting, workouts, office settings, and outdoor activities.