Refresh on the go with this leakproof chug style cap. The narrow chug spout provides a convenient flow to quickly quench your thirst. The wide mouth cap easily fits ice cubes to keep things cool. Fits all Wide Mouth bottles. - Narrow Chug drinking spout for a convenient, controlled flow - Wide mouth bottle threading fits all Wide Mouth bottles - Leakproof when closed - Flex Strap is easy to transport and comfortable to carry - BPA - Free - Dishwasher safe