Large Compartment Fits Large Bottles: Upgraded water bottle organizer with two sizes of cup spacing, 4.1" and 3.6". Suitable for both large and small bottles. The 4.1" clearance fits bottle sizes up to 40oz, and a small number of 50oz bottles. The 3.6" clearance fits cups up to 30oz. The water bottle holder is 4.1" high and fits most of the popular cups on the market, such as YETI, Starbucks, Hydro Flask, Contigo, Nalgene, Owala, Pogo, Iron, Slm, Stanley, and so on. STACKABLE DESIGN: Maximize the vertical space of your cabinets, visualize the mugs, and make your cabinets look more organized and clean. Also, it can be used in a refrigerator, wine cellar, storage room, kitchen countertops, bar, teacher, office, nursery, and other scenarios. Perfect for the kitchen/pantry/home organizer. PERFECT STORAGE SIZE: The 4-pack water bottle holder measures 15.4"x7.4"x15.6" and can hold up to 16 water bottles. No matter what type of water bottle, thermos water bottle, insulated tumbler, sports flask, travel mug, kids water bottle, or baby water bottle can be used for storage. Also, this shelf you can use to store champagne, wine, soda, drinks, etc. STRONG AND DURABLE MATERIAL: The water bottle storage is made of durable, clear BPA and chlorine-free shatterproof plastic. They are food safe and can be easily cleaned with mild soap and water, but do not put them in the dishwasher. QUICK INSTALLATION: No tools are needed, just a few accessories to put together, simple and easy to do.