NWT Stanley 40-oz. rose quartz tumbler with flip straw. Ideal for easy sipping. Perfect for daily hydration. Retails for $45. Smoke-free home. From Stanley listing: These tumblers are made to keep you hydrated in a fully functional style. Ideal for car commutes or workouts at home, it has a built-in flip straw for easy and effortless sipping. Snap it shut and the double-wall vacuum insulation will keep your drink extra cold for hours.