These Zest Petite nasal cushions are a 400HC557 model.

 
NOTE: IT WAS REMOVED FROM A BRAND NEW AND UNOPENED FULL ZEST Q KIT- YOU WILL PURCHASE JUST THE CUSHIONS IN THE PHOTOS, WHICH WERE PLACED INTO A NEW, CLEAN PLASTIC BAG.
 
No other attachments / accessories are included. 
 
You will receive the exact new item in the photos.
 
BUY IT NOW For $9.99 with FREE & FAST USPS First Class Mail shipping ANYWHERE IN THE USA!
 
The original and undamaged item is guaranteed for 7 days. After this period, it will be considered to be exactly as described, and the sale is then final. NO PARTIAL REFUNDS. Item must be returned for refund if there are any issues.

A SPECIAL NOTE: If there is no "Best Offer" option on allkindagoods Bonanza Booth items, the price is FIRM. 

No need to e-mail with offers or inquiries about lowering the price.