Sheer glacial milk blue Silicone ice tube tray The prettiest little ice tube trays in our same soft silicone as your bkr sleeve. Fill them with water to make the perfect sized ice to slip into your bkr bottles --they also work great with your cups. 100% dishwasher safe and 100% the cutest ice trays you’ve ever seen. Buy them for yourself or add to a bkr or cup for the best gift. ASTRID Color. Inspired by the quiet power of presence, soft sunlight diffusing through ice, a reserved muse, unbothered by the rush of time, pristine, pure, poetic, the faintest hints of blue that seem to melt and solidify in the same moment, translucent but deep, cool but with a warmth that is felt in the heart’s deepest chambers, where every line is blurred yet defined, every edge softened yet sharp, she moves not with haste but with the deliberate elegance of a glacier, carving her path with quiet resolve, reminding you of the clarity found in stillness, the beauty in restraint, and the power in simply being.