This listing is for four 5 Gallon Water Jug Cap (2 Pack x 2) - No Spill and Reusable Silicone Lid Covers - For Air Tight Storage of Water Bottles as shown in the photo above. Note: Water bottle not included. Also six caps are pictured in listing, however, four caps will be shipped. As per the manufacturer, the following are the features and benefits: Leak Lock Design - These spill magic bottle caps prevent water to leak or spill from the water bottle, tested even on upside down jugs. Environment Friendly - Say no to disposable water bottle tops! Help eliminate plastic waste. This reusable silicone cover is a great replacement for ordinary plastic lids. Excellent Quality - Made of 100% food-grade silicone material, it is non-toxic and safe to use for both kids and adults. Easy to Use - To cover, simply push the top until it pops. The sound is your signal that the water jug is already sealed. Universal Fit - Best suits water jug 5 gallon with 55mm opening. It also suits 3 gallon water bottle. It fits standard "snap top" but not for bottles with the screw tops.