
As someone who travels a lot for work, I've tried all kinds of silicone containers, travel size containers from manufacturers, etc. Some leaked, some didn't, but they seem to be the best for saving space in an approved quart bag. Just think: shampoo, conditioner, lotion, facial moisturizer, sunscreen, shower gel. Add toothpaste, cosmetics, etc. Try packing it in a quart-sized bag! I try to make reusable items like Dr. Bring Bronner's tea tree oil soap or shower gel to use as a shampoo. Many places sell shampoos/conditioners as well as solid moisturizers so you don't have to worry about packaging them as liquids. any space when empty. I wish they were a little bigger and had transparent windows all over the place - pink and green are opaque, but for now they should fit. These silicone bottles were good but very bulky. For filling you will find a funnel, it's even a syringe. I usually spray straight out of the bottle. They can be rolled up so you get almost every last drop of product.

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