Thinksport bottle construction:
The bottles are double-walled stainless steel. The mouthpiece is made from polypropylene. We would not advise drinking directly from a metal top. The collar of the bottles and the screw -on cap are encased in stainless steel.
There is an internal silicone washer. There is no liner inside the bottle or chemical coatings. The bottles are tested for chemicals like BPA, phthalates, heavy metals and biologically harmful chemicals.
What type of stainless steel do you use?
Our bottles are made of 18/8 medical-grade 304 stainless steel and do not have any type of liner.
What are the dimensions of your bottles?
750ml (25oz): 10" high x 3" wide
350ml (12oz): 8" x 2.5" wide
Where are your bottles manufactured?
Our sports bottles are made in China. To proactively address any potential concerns, we'll mention that all of our products adhere to our strict chemical policy. The Thinksport bottles have been and continue to be tested globally to ensure their safety. In fact, our bottles undergo rigorous chemical and biologic testing from multiple laboratories to ensure that they do not contain or leach toxic chemicals. Furthermore, Whole Foods has audited our facilities for compliance with Good Manufacturing processes. Regarding quality, the Thinksport bottle has been thoroughly field-tested since our inception over four years ago with excellent results.

How do I care for my Thinksport bottle?
While we recommend hand washing our bottles, they are dishwasher safe. We would recommend lodging the strap so that it doesn't get caught by the rotor.
Please note that we do not use Lead in our paint. While you might think that this is obvious, the test for Lead in Europe and the US allows for low levels of Lead. The type of test also measures what is coming off the bottle in a solution, which could easily be nothing. We test the paint in its wet state, which produces test numbers that are accurate depictions of what is in the paint. Do not use any abrasives on the outer surface.

Since 2006, Thinkbaby & Thinksport has been creating safe, highly functional, and sustainable products. We continue the safer products mission by targeting harmful consumer product categories and developing safer alternatives for a wide audience ranging from babies to athletes. With a team of physicians & scientists, Thinkbaby & Thinksport lead in the usage of safe materials for consumer products. As such, the company has a long list of FIRSTS 1^st  BPA free baby bottle line, 1^st  BPA free insulated sports bottle, 1^st  line of yoga mats free of harmful chemicals, and the 1^st  sunscreen to pass Whole Foods Premium Care requirements.

Packaging
The 3oz  safe sunscreen comes in a tube made of environmentally friendly packaging that does not contain BPA, vinyl, or phthalates. Each tube is marked with an expiration date.

The safe sunscreen stick  comes in a 18.4g stick made of environmentally friendly packaging that does not contain BPA, vinyl, or phthalates. The packaging and contents are environmentally safe. Each stick is marked with an expiration date.

Compare your sunscreen's "safe" ingredients to ours. The best way is to check out The Environmental Working Group's database Skin Deep: EWG.org/SkinDeep
The ratings for each ingredient are listed separately below.

Ingredients
Thinksport 3oz SPF 50 Safe Sunscreen:

Active Ingredient: Zinc Oxide 20% (Non-nano)
Inactive Ingredients: PURIFIED WATER (0), ALOE BARBADENSIS LEAF JUICE (0), CAPRIC CAPRYLIC TRIGLYCERIDES(0), SORBITAN STEARATE (COCONUT BASED) (1), PINE WOOD RESIN (0), VEGETABLE GLYCERIN (0), CETYL DIMETHICONE (0), HYDROGENATED CASTOR OIL (0), MAGNESIUM SULFATE (EPSOM SALT) (0), SUNFLOWER OIL, JOJOBA OIL (0), ASCORBIC ACID (VITAMIN C) (0), TOCOPHEROLS (VITAMIN E) (1), OLIVE OIL (0), RASPBERRY SEED OIL (0), CRANBERRY SEED OIL (0), HYALURONIC ACID (MADE FROM VEGETABLE) (0), GLUCOSE & GLUCOSE OXIDASE AND LACTOPEROXIDASE (0), PAPAYA (0)

Thinksport SPF 30 Safe Sunscreen Stick:

Active Ingredient: Zinc Oxide 20% (Non-nano)Inactive Ingredients: HELIANTHUS ANNUUS (SUNFLOWER) SEED OIL(1) COCOS NUCIFERA (COCONUT) OIL (1) CERA ALBA (BEESWAX) (1) EUPHORBIA CERIFERA (CANDELILLA) WAX(1) RICINUS COMMUNIS (CASTOR) OIL (1) COPERNICIA CERIFERA (CARNAUBA) WAX(1) BUTYROSPERMUM PARKII (SHEA) BUTTER (1) THEOBROMA CACAO (COCOA) SEED BUTTER (1) TOCOPHEROL (1) ALOE BARBADENSIS (ALOE) LEAF JUICE (1)

How do I apply Thinkbaby and Thinksport Sunscreen?

Thinkbaby and Thinksport sunscreens are perfect for daily use and for anyone spending time in the sun, including pregnant women, children over 6 months, and for anyone with sensitive skin. Please note that use of sunscreen on children younger than 6 months of age requires a doctor's prescription. This is true for ALL brands.

Thinkbaby and Thinksport sunscreens are a physical sunscreen, meaning it works immediately upon application. It will maintain its SPF after 80 minutes of water immersion. The Environmental Working Group and the FDA recommend reapplying sunscreen every two hours.
Thinkbaby and Thinksport sunscreens are perfect for sensitive skin. We recommend testing on a small area of the body to ensure that you don't have any sensitivities. Sunscreens that claim to be hypo-allergenic are nothing more than marketing hype in our opinion. As the population's exposure to chemicals has risen, there has been a direct correlation to things that people become allergic to. Simply google environmental exposure and allergies to view some of this research.

Tips for Application
Thinkbaby and Thinksport formula applies easily and absorbs quickly. Be sure to apply all areas that will be exposed to sunlight, including behind the ears, neck, hands, feet, and scalp. Reapply every two hours or more as needed. While the sunscreen applies very easily, we recommend not spreading it too thin. Otherwise, you will decrease the effectiveness of the sunscreen. Keep in mind that physical sunscreens work by reflecting sunlight.

Since 2006, Thinkbaby & Thinksport has been creating safe, highly functional, and sustainable products. We continue the safer products mission by targeting harmful consumer product categories and developing safer alternatives for a wide audience ranging from babies to athletes. With a team of physicians & scientists, Thinkbaby & Thinksport lead in the usage of safe materials for consumer products. As such, the company has a long list of FIRSTS 1^st BPA free baby bottle line, 1^st BPA free insulated sports bottle, 1^st line of yoga mats free of harmful chemicals, and the 1^st sunscreen to pass Whole Foods Premium Care requirements.