Black Friday Sale: Site-wide 20% discount applied at the checkout. Free-shipping in the US above $75.

Black Friday Sale!

Give the GIFT OF LIFE this holiday season. Shop now and get a
20% site-wide discount.

CrazyCap is backed by our award winning life-time warranty and outstanding customer service.

Acclaimed, award-winning technology

Acclaimed, award-winning technology

100 Best Inventions

"This is the most genius innovation to help you cut down on water bottle waste and spending so much money on pricey bottled water," Jenn says.

Safe Drinking Water in 60 Seconds

Purifies Questionable Water + Sterilizes Your Bottle

Integrated Deep UV LED

Cap measures only 2 inches tall

Fits most standard reusable bottles

7-day rechargeable USB battery

5% of profits donated to


Most Versatile Bottle

Live Germ Free


The Portable Water Well that
Fits in your Pocket

We believe clean drinking water is a right, not a privilege. That’s why CrazyCap® puts potable water on tap for:

  • Fitness buffs
  • Athletes
  • Backpackers/Hikers
  • Global Travelers
  • Families in developing countries

Our revolutionary Deep UV sterilization technology doesn’t just filter microorganisms... It DESTROYS them for the purest drinking water!


CrazyCap® Bottle

Twist Life Open!

No filters to replace. No batteries to lose.
Just a maintenance-free solution designed to perform.

What else can it do?

Yes, It Fits Your Favorite Bottle


to fit most 9, 12, 15, and 17 ounce cola-style bottles.

CrazyCap® Pairs

beautifully with your favorite bottle.

CrazyCap Cares Campaign

We all have the ability to change the world for the better— and that is why we are launching the CrazyCap Cares Campaign! The CrazyCap Cares Campaign stems from the innate responsibility we feel to help save our deteriorating environment while sending a little positivity to others. Our team will be hosting a weekly giveaway, awarding each winner a CrazyCap Bottle and CrazyCap Handle!

We won’t lie and say this is purely beneficial for others and the environment— this act of generosity makes us feel good, too.

Our CrazyCap family believes that nowadays, folks need a little extra love— and the CrazyCap Cares Campaign is here to give it!

Watch the Inventor's Interview with Kathy Ireland