The Sealy Prestige Premium Down Collection is composed of top quality products for your home with the Sealy lifetime warranty backing all of our products. The Sealy Prestige All Seasons Warmth Down Duvet has been designed to keep you warm all year round. The baffle box design prevents the 600 fill power, responsibly sourced white duck down fill from shifting providing even warmth. The 100% 300 thread count cotton cover is luxuriously soft providing added comfort. The corner loops hold any duvet cover firmly in place. This Sealy Prestige Down Collection is backed by the Sealy lifetime warranty. The Sealy Prestige All Seasons Warmth Down Duvet has corner loops to fit any duvet cover perfectly.