flat cap

What Makes it Mighty?

Products in category: Water Bottles
  • BPA-free reusable water bottles
  • Made from glass and stainless steel
  • High quality and functional
1 Review | Overall Rating:

Designed to give you a low-profile option that doesn't take up much room, the Klean Kanteen Flat Cap is also our lightest weight cap.

Made using BPA-free polypropylene (pp#5), it's totally free of BPA and other toxins.

  • Cap is Leakproof
  • Made of BPA-free polypropylene (pp#5) 
  • Low-profile design 
  • No BPA, phthalates, lead or other toxins 
  • Compatible with all KanteenĀ® Classic bottle sizes 
  • Product should be handwashed 
  • Weight: .875 ounces 
  • Size: 1.75" H x 2" W 

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Ratings and Reviews

Overall Score

Reviews and Ratings
Review by Lana Ambler on 6/16

This cap works great in the stainless 18 ounce water bottles I purchased. This is the top to buy if you don't like sport lids or you don't want any plastic touching the water you drink. Does not leak.

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