BPA free , Durable, and Stylish

Lifetime warranty against manufacturing defects

International Shipping Services


Double-wall insulation keeps your drink at the right temperature.

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Get your first high quality Simple Flask water bottle!Visit the shop


Make your water bottles simple and stylish

Craft the stainless steel water bottles that speak for simple, clean and beautiful aesthetics.

Simple Flask water bottle 17 oz
Simple Flask stainless steel water bottle

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insulated drinkware
reusable water bottle
high quality water bottle
Amazing Features

The best idea born from the environment protection and healthy hydration.

All our products are 100% BPA-free and phthalate-free definitely with superior insulation technology.

Top Quality

Simple Flask is determined to provide the best durable water bottle. Leak proof and super insulation performance.

Built For Life

Durable, functional and beautiful. With Simple Flask, you can get hydrated anytime.

What our clients have to say

“I love my durable Simple Flask, and it keeps my drink stay really cold for over 24 hours. It does the same with hot drinks. Strongly recommend”

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durable drink bottle

Say Hello to Clean and Convenience Serving.

  • Personal hydration steward

  • Intimate driving companion

  • Best hiking partner

  • Delicate giveaways

Make contribute to the cause of environmental protection.

SIMPLE FLASK is always on the road of expanding the range of reusable products and promoting the Eco-Friendly products adoption.

Simple Flask uses premium food grade 18/8 stainless steel for all water bottles. It’s the reason all Simple Flask products can pass FDA testing.

environmental friendly water bottle
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