Mila's Keeper Glass Breast Milk Storage Bottles come in two (2) sizes, standard and wide neck, to accommodate different size pumps and nipples. Make sure you know which neck size is the right storage bottle for you. For example:
Standard neck: Compatible with the following:
Breast Pumps: Medela, Ameda, and Evenflo
Nipples: Medela, Ameda, Evenflo Standard Neck, Pigeon Standard Neck, and Dr. Brown Narrow Neck Bottles
Wide neck: Compatible with the following:
Breast Pumps: Spectra, Phillips Avent, Pumpables, Zomee and Motif
The wide mouth of this size also accommodates milk poured from wearable, hands-free breast pumps such as Willow, Freemie, MomCozy, Elvie, and Babyation.
Volume: 5 ounces | 150 ml
Weight: Standard: 6.2 oz; Wide: 6.8 oz
The MilKeeper- Insulated Breast Milk Cooler Dimensions: The MilKeeper can fit one ice pack and one 5 ounce/150 ml glass storage bottle by Mila's Keeper. The cooler may fit breast milk storage bottles such as Medela and Spectra. Please check measurements before purchase to ensure the bottle fits the cooler.
The MilKeeper can alternatively fit 2 breast milk bags such as Lansinoh with 6 ounces each.
Important Note: With the cold pack inserted, the MilKeeper can fit a bottle of maximum diameter of 2.5 inch (63mm) x 4 inch height (105 mm).