PROJECT SF1 SOFT FLASK

$19

The SF1 Soft Flask hold up to 500 ml (17 oz) of liquid, is foldable, reusable, and weighs only 45g.

Flexible and easy to squeeze

Wide cap allows easy re-fills and space for ice cubes.

The silica gel valve allows air to escape, compressing the flask as you drink to eliminate water bouncing inside.

The SF1 is the best way to start consuming fewer plastic bottles and hydrating responsibly.

See what customers think

Customer Reviews

Based on 10 reviews
90%
(9)
10%
(1)
0%
(0)
0%
(0)
0%
(0)
D
Dave C.
Project SF1 Soft Flask

I love this flask, it is awesome, opening is big enough to put ice cubes into.

D
Dylan H.

PROJECT SF1 SOFT FLASK

C
Customer

Gray flask

K
Kaan K.
Very useful space saver

I take it everywhere and put it in my pocket when finished!! Ready to be reused and so light. Everyday item when you are out and about!

E
Eduardo V.
Great idea, very practical water flask

This little guy is very portable. The whole concept is genial. Craftsmanship seems top notch.