Swivel bottle is the solution and She Tris will have them in stock next week! Comment here to reserve your bottle. Each 8-ounce bottle reservoir is squeezable, durable, & dishwasher safe. They're also semi-transparent so you can check fluid levels. And they are leak proof! Bottles are $40 and will be shipped directly to your house. The most unique feature of Swivel Bottle is that it easily rotates 360° in the palm of your hand with just a simple flick of the wrist. This allows you to quickly select your drink of choice. When fully assembled, the bottle is sturdy and feels like one solid unit.