Drink in public from this cool and colorful sports bottle that gets smaller as you drink! This collapsible silicone bottle holds a generous 18.6 ounces of your favorite cold beverages. It features an easy-to-grip design, a screw-on lid, and a carabiner clip. Measuring 9.45" x 2.76", this bottle folds down to a compact 5.51" x 2.76" when empty, saving space in your bag. Perfect for outdoor camping trips, hiking, travel, office use, lunches, picnics, birthday gifts, and sports events. Share it with family, friends, classmates, colleagues, and travel companions