

Our models typically wear US Size 2-4 or Australian Size 6-8, X-Small, Small, or One-Size garments.
On each product page, we provide the model's measurements and what size she is wearing to help guide you.
You can refer to the charts when selecting sizes but please note that sizes cannot be guaranteed and might vary slightly between brands.
If you need any advice about sizing, please feel free to drop us a line at: service@sunnoss.com
The measurements in the description of individual products are taken only across the front side of the garment, not around the circumference (e.g. chest and waist).
If you can't find a completely satisfactory size in our size chart, don't worry! Feel free to contact us anytime at service@irispetal.com or through our online customer service. Our team is more than happy to provide personalized advice, recommend alternative styles, or assist with customization needs. Your comfort is our top priority!
Free Shipping on Orders Over $50 !
Fast, free shipping—style delivered with ease !
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Enjoy an extremely long return period during the event !
Our 24/7 customer care team is here to deliver thoughtful support !
Elevate your CPAP therapy with the React Health Rio II Nasal Pillows Interface Fit Pack, the ultimate solution for lightweight, hassle-free sleep apnea management. Weighing just 2.3 ounces – one of the lightest masks on the market – this innovative nasal pillows system delivers a secure, customizable seal without the bulk or discomfort of traditional masks. Perfect for active sleepers, side sleepers, or anyone seeking minimal facial contact, the Rio II lets you move freely while maintaining optimal therapy.
Ideal for users with mild to moderate sleep apnea who crave simplicity without sacrificing efficacy. Backed by React Health's commitment to quality, this fit pack is easy to assemble, clean (mild soap and warm water), and maintain – replace pillows every 1-3 months for peak hygiene.
What's Included in the Fit Pack:
- 1 x Rio II Mask Frame with Elbow
- 1 x Adjustable Headgear (with soft sleeves for extra comfort)
- 1 x Small Nasal Pillow Cushion
- 1 x Medium Nasal Pillow Cushion
- 1 x Large Nasal Pillow Cushion
Ready to Wake Up Refreshed?
Add the React Health Rio II Nasal Pillows Interface Fit Pack to your cart today and experience the difference of lightweight, adaptive CPAP comfort. Questions? Our sleep experts are here to help – contact us anytime!
Made in the USA | 1-Year Manufacturer Warranty

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