Sports water bottles

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I like this a little better than the stainless/plastic one that originally came with my Klean Kanteen. Unfortunately, like the stainless/plastic cap, this cap gets some water trapped inside it when washed in a dishwasher--maybe not quite as much with this one, but I can hear it sloshing around in there when I shake the cap.

This cap is all plastic (polypropylene, which has a fairly safe reputation at this time.)

Unlike the plastic loop-top cap, this one has a a texture around the edge where you grip it to tighten or loosen it.

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"Klean Kanteen Flat Cap/Polypro" Feature

• Flat cap in polypropylene fits all sizes of Klean Kanteen water bottles: 12 oz, 18 oz, 27 oz and 40 oz.
• Screws on tight for a leak-proof fit.
• Durable and lightweight.
• Clean in hot water with vinegar or mild soap.

"Klean Kanteen Flat Cap/Polypro" Overview

If you have miss placed the lid to your Klean Kanteen or you just want additional drinking options, opt for a Klean Kanteen replacement cap. Interchangable between bottle sizes and made with polypropylene 5 or stainless steel, you have many options for one handed drinking, lowprofile designs, or adapters and Sippy spouts from Avent for your little ones.........

"Klean Kanteen Flat Cap/Polypro" Specifications

The perfect companion for your Klean Kanteen reusable drink container, the Poly Flat Cap fits the 12, 18, 27, and 40 ounce stainless steel bottles securely. The cap twists on and off and if properly closed, will not to spill, even if you throw the bottle in the bottom of your backpack. The polypropylene #5 material is soft and comfortable to drink from.

Manufacturer's Warranty
One-year warranty

Customer Reviews

Made my water taste nasty...it has water inside it! - johnnycab - Chapel Hill, NC United States
This cap is worthless. It made my water taste bad (whereas the original 'sport cap' never did), so I removed the silicone o-ring and put the cap in the dishwasher, thinking it had some coffee residue on it or something.

After I took it out of the dishwasher, I could hear water sloshing around _inside_ of it! It appears to be completely impermeable - there are no apparent holes in it. Nevertheless it has water inside of it, with no evident way to get the water out.

The 'sport cap' that came with my Kleen Kanteen is hollowed out, like an upside-down cup - there is no bottom. This low-profile cap is hollow but has a bottom - it has a continuous outer surface like a fishing bobber or something.

Clearly they need to work on their quality-control. Avoid this cap like the worthless POS that it is.

*** Product Information and Prices Stored: Sep 17, 2010 06:30:20