The Original Mason Bottle
- One silicone nipple (Slow Flow size)
- One plastic ring + cap
- One regular-mouth mason jar (4 oz or 8 oz size)
- Wide breast-like design supports breastfeeding
- Dual-valve ventilation system to prevent gas and colic
- Milk flows smoothly with no air bubbles and no leaking
- Non-Toxic, BPA and BPS free
- Easy to Clean and Dishwasher Safe
- Eco-Friendly and Reusable
- Silicone nipple, plastic ring and cap - made in the USA
- Mason jar - made in China
- Click here to learn about where we make our products, and why.
The Original Mason Bottle makes transitioning between breast and bottle a breeze for babies. Mason Bottle is also the most eco-friendly, parent-friendly, and budget-friendly glass baby bottle on the market.