The two essential volumes, together. Five ounces for the first feedings, nine ounces for what follows. Same engineering, same standard, designed to carry feeding from one stage into the next.
The work, in detail.
The bottles are contoured for upright feeding from the first day forward. The silicone is German Premium LVS, with volatile organic compounds below 0.4 percent. Milk contacts only silicone, never plastic. The dual venting system holds against air intake. The nipple shape is built for natural latch. The seal does not leak. The form is protected by U.S. Design Patent.
