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the nurture center
4.3 Out Of 5 (4.3 on 9 reviews)

Clearance! Dr. Brown's Natural Flow BPA-Free Plastic Bottle - 4oz

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Dr. Browns bottle designClearance! This item is not returnable.

Dr. Brown’s bottle features a patented two-piece internal vent system that works unlike any other bottle design. The vent system fully vents our bottle for vacuum-free feeding, which we call positive-pressure flow, similar to breastfeeding. As the baby feeds, air is channeled from the nipple collar through the vent system, bypassing the breastmilk or formula, to the back of the bottle. Air never mixes with the breastmilk or formula which minimizes oxidation and helps maintain essential nutrients like vitamins C, A and E.

Babies feed more comfortably because the vent system allows them to nurse without fighting the negative effects of a vacuum or the discomfort of ingesting air bubbles. This helps to reduce feeding problems like colic, spit-up, burping, and gas. The breastmilk or formula flows freely, without nipple collapse.

Dr. Brown's bottles are made of BPA-free polypropylene plastic. All components of the Dr. Brown's bottle, including the vent insert, vent reservoir, travel disk, nipple collar, and cap are also BPA-free polypropylene. All nipples are made of medical-grade silicone. The vent insert is available in clear or blue colors.

Includes 1 Dr. Brown's plastic 4oz bottle with level 1 nipple suitable for newborns and older babies. A cleaning brush and vent system are included as well.

Need more nipples? We also have Dr. Brown's Natural Flow replacement silicone nipples in Preemie and Y-Cut levels.

Dr. Browns bottles are also available in a 4oz 3-pack and 2oz 2-pack, which are ideal for preemies.

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Reviewer: Leah R.
07/11/2010 06:59am
These are great bottles! We tried a bunch of different bottles before these and once we switched to Dr. Brown's all of my son's gas issues were resolved. I only give them 4 stars because washing them is kind of a pain, there are so many parts and I felt like I spent too much of my day washing them. If you have a dishwasher it might not be so bad though.user review
Reviewer: Jill
05/21/2010 03:03pm
These are a life saver! My son took so well to these when we transitioned from nursing to bottle feeding. I love how there is no extra air. The extra pieces are a headache to wash and clean, but obviously work!user review
Reviewer: Kristen
05/18/2010 09:42am
I loved these bottles. My only compliant was all the pieces to wash and the need to replace them before we switched to a sippy cup. user review
Reviewer: Lynne
03/31/2010 10:18am
Love these Bottles. I found them easy to clean. Easy for our Son to feed himself. Do not leak. user review
Reviewer: Courtney
02/02/2010 06:16am
I didn't realize I needed these bottles. We use both these and the Born Free bottles. The combination is perfect. Luckily a friend knew to buy these for me in addition to the Born Free.user review
Reviewer: Jaime
12/22/2009 04:38pm
I LOVE these bottles! I used Avent with my first baby and hated those. They leaked my precious breastmilk all over my baby instead of feeding him. These bottles do not leak at all and my baby can take the entire bottle without burping and has no problems with gas. I recommend these to everyone who is expecting!user review
Reviewer: blessy
11/24/2009 10:45pm
These are the only bottles my breastfed baby would accept when I went back to work. We did not have any gas issues while using these. The only drawback is washing all the parts, but the bottle does work well! user review
Reviewer: Amy
11/01/2009 06:53pm
Unfortunately my baby does not like these bottles. I'm hoping this will change as we got several from friends. They are a pain to clean because of all the parts, but I have heard such good things about them. For right now my baby prefers a wider base at the bottom of the nipple. user review
Reviewer: Abby
08/13/2009 02:02pm
My baby loves these bottles! The only downfall is the extra time it takes to clean all of the parts.user review

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We do require a Return Authorization for all returned merchandise. Items returned without a Return Authorization (RA) number on the outside of the package might be refused delivery or charged a restocking fee. To receive an RA number, call us at 1-888-998-2229 and we will be happy to assist you. Returned items must be received in brand new clean (sellable) condition including original packaging, manuals, warranty cards, tags, etc. Please note that items sold with free shipping will be refunded the product cost less our shipping expense. The customer is responsible for all return and exchange shipping costs, with the exception of flawed merchandise.

No returns on Dutailier furniture or glider cushions
No returns on products marked "Clearance" or "Final Sale"
No returns on books.
No returns on personal-use breast pumps.
Once the box is opened or unsealed, we cannot accept returns of bottles or breastpump replacement parts, due to hygiene and sanitation. Certain bulk parts come from Medela without boxes - because there is no sealed packaging in the first place, we cannot take these back.
There is a 20% restocking fee on - strollers, car seats, mattresses and co-sleepers

Dutailier gliders, cushions, and ottomans cannot be returned or exchanged but you are covered by warranty in case of flaws or shipping damages - just contact us and we can order a replacement and send you a prepaid shipping label at the manufacturer's expense.

You may select your shipping service during checkout. The Nurture Center offers Ground and Air services, as well as Priority Mail. Most orders ship within one business day (check the item availability info for exceptions to this rule). Please note that we cannot give credit for shipping costs if packages are delayed by the carrier in transit or by international customs inspection.

The Nurture Center ships Monday thru Friday (except holidays). Orders placed on Saturdays and Sundays will not ship until the next business day. We will get express orders out the same day if ordered by 1PM pacific time.

Shipping costs are calculated real-time based on shipping method, weight, and distance. We keep these prices as low as possible by never charging a handling fee or adding any markup. To see the actual shipping cost, press the "Add to Cart" button for the items you would like to order. Enter your zip code and click "apply" to see your shipping choices. If you do not finalize your order, your personal information is not transmitted to us.

FedEx Ground

The Nurture Center ships by Fedex Ground. We ship most items from Northern California - see the map below for FedEx Ground transit times to your location Please note that Saturdays, Sundays and Holidays are not considered transit days.

fedex ground shipping map

Fedex Express Saver - 3 Day

Express Saver is a good selection if you are ordering from the East Coast. It takes 3 business days when Ground delivery would be 5 business days.

2nd Day Air and Overnight

We use FedEx 2-day and Overnight. Express orders should be placed by 12 noon pacific time to be guaranteed same-day shipping.

If you order is placed late on Thursday or on Friday morning, and you need Saturday delivery, please enter "Saturday Delivery" in the Comments section. There is an additional charge for FedEx Saturday delivery, which will be added to your shipping charges after your order is placed.

Priority and First Class US Mail

Priority Mail shipping is appropriate for P.O. Boxes, APO addresses, and packages under 4 pounds. Packages under 13 ounces with the Priority Mail shipping option selected might ship First Class Mail.

Shipping Policies for Dutailier Furniture

All Dutailier Furniture must ship Ground. We cannot ship Dutailier Furniture outside of the Continental US, but we can sometimes ship the replacement cushions.

International Orders

We do ship worldwide. In checkout, the country selection box will show the countries that we are able to ship to at this time. We use Priority Mail International which is 6-10 day airmail service, and Express Mail International, which is 3-5 business day delivery service. Not all products are permitted to ship outside the United States.


California customers will be charged 7.25% sales tax.


Dr. Brown

Dr. Brown
Designed by a doctor in 1996 and patented in 1997, Dr. Brown’s Natural Flow® is the only baby bottle to feature an internal vent system that: helps preserve vitamins C, A, & E by minimizing oxidation of breastmilk and formula; provides positive-pressure vacuum-free feeding similar to breastfeeding; and helps reduce colic, spit-up, burping and gas by eliminating negative pressure and air bubbles.

Dr. Brown's bottles are made of BPA-free polypropylene plastic or BPA-free borosilicate glass. All components of the Dr. Brown's bottle, including the vent insert, vent reservoir, travel disk, nipple collar, and cap are also BPA-free polypropylene. The nipples are made of medical-grade silicone.

Dr. Brown’s Natural Flow® baby bottles have received numerous design awards and acclaim from the medical community. In fact, many of Dr. Brown's bottles go to hospitals, NICUs, and doctor offices. Most important, moms are talking and they’re sharing with excitement the improved feeding habits of their babies.
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