Costco - Serenity by Tempur-Pedic QUEEN 3 Inch Mattress Topper - Retail $189

In open box. Possibly used for a short time.

Features:
3 Inches of Tempur Material for Personalized Support
Designed to Deliver Deep, Undisturbed Sleep
Provides Pressure Relief and Reduces Sleep Disturbances
Breathable Performance Cover Included
Designed & Assembled in the USA
10-Year Manufacturer Warranty
Bed Size: Queen