All caps are free of BPA, phthalates, lead or other toxins. Wide Cafe: Converts any Kanteen insulated bottle into a to-go mug. Only one moving part. Dishwasher safe.|Sport: 3x the flow of other sports caps. Quieter valve, quick attachment loop and dishwasher safe.|Loop: Handy, attachment loop. Dishwasher safe. Leakproof.|Wide Loop: Handy attachment loop, 100% stainless interior. Leakproof.|Stainless Loop: Creates an all-stainless interior, leakproof.|Wide Flip-D: Multi-function design - flat or loop cap. Leakproof.|Filter Adapter: Universal thread design compatible with most standard backcountry water filters. Interchangeable between all Klean Kanteen Classic bottle sizes.|Pint Lid: Turns the Klean Kanteen Pint or Tumbler into a to-go cup. Has an integrated straw port/hole.|Swing Lok Cap: Clamps down on top of any Klean Kanteen Classic Water Bottle. Has an air-tight seal and silicone splash guard insert to keep the fizz in carbonated beverages. |Café Cap 2.0 (wide): The Café Cap converts your insulated bottle into a splashproof to-go mug with one quick twist. It's made from BPA-free polypropylene and is safe for use with acidic or hot beverages. The Café Cap actually pops apart, which makes it super easy to clean.