Water Bottle Cap for 3 or 5 gallons - Non Spill (Quantity of 6) MADE IN USA. Six water bottle caps are included in a single order. All caps are compatible with 3- and 5-gallon water bottles. Caps are compatible with snap-top bottles, not screw top bottles. The ultra-seal protection of these caps also ensures that water is kept in its purest form and away from contaminants. Water bottle caps are produced in natural colors for greater recycling potential. Caps are equipped with standard foam liners for superior leak protection, so users can take bottles to and from water stores to be refilled without them spilling or leaking. Caps are made of durable, biodegradable plastic in the U.S. and meet health standards enforced by the FDA.