The Complete Guide to Rearz Bottle Nipples
Whether you're new to ABDL bottles or looking to upgrade your setup, finding the right bottle nipple makes all the difference. At Rearz, every nipple in our lineup has been specifically engineered for adults — because standard baby bottle nipples simply weren't built with adult comfort in mind. Here's everything you need to know about each option and how to find the right fit for you.
Compatibility: What Bottles Do These Fit?
All Rearz bottle nipples are designed to fit standard wide-mouth bottle openings, making them compatible with most wide-mouth bottles on the market. They are a perfect fit for all Rearz bottles, including:
- Vintage Glass Bottles (available in plain white and printed glass)
- Easy Grip Plastic Bottles
If you already own a Rearz bottle, you can mix and match nipples freely to find your perfect feel and flow.
The XXL Nipple Lineup
Our XXL nipples were developed directly from customer feedback — built extra tall to sit comfortably in adult mouths in a way that standard baby nipples simply cannot. Please note that XXL nipples will not fit under the cap of the Rearz glass bottles, but are fully compatible with the Easy Grip Bottle caps.
XXL Adult Standard Bottle Nipple
The XXL Standard is the most familiar nipple in the Rearz lineup — built for adults but modeled after the classic baby nipple shape most people already know. Its symmetrical, breast-like design makes it easy to use from any angle, with no need to orient it before latching.
The ultra-fast vented flow makes it well-suited for everyday use, allowing for a natural, effortless feed without restriction. Like all Rearz nipples, it is crafted from premium food-grade silicone — durable, body-safe, and easy to clean. If you're new to adult bottles or simply looking for something familiar and comfortable, the XXL Standard is the natural starting point.
Shop the XXL Adult Standard Bottle Nipple →
XXL Adult Orthodontic Bottle Nipple
The XXL Orthodontic is where it all started — the original community favourite that launched the entire XXL bottle nipple lineup. After an overwhelmingly positive response from our customers, it became the foundation for everything that followed, and it remains one of the most loved options in the Rearz catalogue.
Designed with a specially shaped teat that mimics the feel of natural breastfeeding, the XXL Orthodontic will also feel immediately familiar to anyone who has used an orthodontic pacifier before. The elongated teat sits comfortably in adult mouths, while the thicker silicone gauge and upgraded vent design prevent nipple collapse under pressure — delivering a consistent, reliable experience every time.
The ultra-fast flow handles all types of liquids with ease, making it as practical as it is comfortable. If you're looking for a nipple that feels natural, performs exceptionally, and has already won over a community of loyal users — this is the one.
Also available on: Pink, Blue, Purrfection, Lunar Cub, and Daydreamer Easy Grip Bottles.
Shop the XXL Adult Orthodontic Bottle Nipple →
XXL Sippy Spout
The XXL Sippy Spout offers a completely different drinking experience from the rest of the XXL lineup. Rather than a traditional teat, the Sippy Spout features a spout design that delivers a familiar sippy cup feel — making it a natural choice for those who prefer sipping over suckling, or simply want to switch things up.
The spout provides a unique sensation that sets it apart from any other nipple in the Rearz catalogue, giving users a fun and distinct alternative without sacrificing the quality and comfort the XXL range is known for.
Please note that the XXL Sippy Spout is currently only available as part of the Lil Monsters Easy Grip Adult Bottle and is not sold separately at this time. Individual nipples are coming soon!
The Original — Adult Silicone Bottle Nipples
Adult Silicone Bottle Nipples
The Standard Wide Mouth is where it all began — Rearz's original adult bottle nipple, and the one that started it all. A refined version of the classic baby bottle nipple, it delivers the comfort you know with faster flow and improved venting. It's no wonder it's been a fan favourite since it first hit the catalogue.
Featuring a tri-vent design, ultra-fast flow, and a broader profile, it offers a reliable and consistent drinking experience at an accessible price point. It is also a great option for those who find the XXL nipples a little too large — providing the same quality and comfort in a slightly more compact size.
Available on our glass bottles and sold in a 2-pack, it is both dishwasher safe and boil-sanitizable for easy cleaning.
Please note: The Standard Wide Mouth is being discontinued in the future. If this is your go-to nipple, we'd recommend stocking up while supplies last.
Shop the Adult Silicone Bottle Nipples →
Which Nipple Is Right for You?
Not sure where to start? Our customer service team is always happy to help you find what works best for you. All of our nipples are made from food-grade silicone, built to last, and designed with you in mind. Shop our full bottle accessories collection at rearz.ca and find your perfect match.