These bubble drinker bases were designed to prevent drownings that are common with plate waterers used with baby chicks. These bases will fit any standard soda/water bottle. Instead of cleaning algae from those reusable store bought container you can recycle soda bottles and toss them, making your life easier and you chicks healthier. These bases come in a variety of colors and you can email/message us to make custom orders(special color request and split colors)