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- Enjoy every sip - Perfect shake for on the go! | Kalsten

Regular price $44.99 $90.00 SAVE $45.01 (50% OFF) Sale price
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Easy 14-Day Returns
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SAY GOODBYE TO CLUMPS IN YOUR DRINKS

With this self-mixing bottle, you'll never have to worry about clumps in your protein shakes or poorly mixed coffee again.
Enjoy perfectly mixed drinks every time, effortlessly.



FEATURES

Efficient Mixing
It mixes even thick or stubborn ingredients without any manual effort.

Less Cleaning Effort
No additional stirrers or mixers required, which suits your cleaning routine.

Food-Safe Material
This electric Kalsten bottle is made from food-grade Tritan, which is BPA-free and odorless.

Versatile Use
Can be used as a mixing cup, water bottle, formula mixer, to-go coffee cup, protein shake, coffee, hot chocolate, nutritional powder, and more.


SPECIFICATIONS

Material: PC
Weight: 132g
Capacity: 380ml
Color: Pink, Green, Blue
Size: 68*177mm/2.68*6.97in
Power: 200W and less
Voltage: ≤36V
Battery: 2*AAA (not included)

PACKAGE CONTENTS

1x self-mixing Kalsten bottle
1x user manual
1x packaging box

Free standard shipping on all orders. No minimum purchase.

  • Ships to: United States
  • Processing: 1–4 business days (Mon–Fri)
  • Transit: 5–10 business days
  • Total delivery time: 6–14 business days
  • Order cut-off: 5:00 PM PST

You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.

See our full Shipping Policy.

You have 14 days from delivery to request a return.

  • Email support@open.shop with your order number to start a return.
  • Items must be unused, complete, and in their original packaging.
  • Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
  • Damaged, defective or incorrect items: we cover all return and replacement costs.
  • No restocking fees.
  • Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
  • Refunds are issued within 7 business days of inspection.

See our full Return Policy.

Questions about your order or our products? We're happy to help.

Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands

Email: support@open.shop

Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)

We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.

For quick answers, visit our FAQ page or use our Contact Form.