What are the Duvet insert dimensions? August 13, 2025 18:22 Updated Full/ Queen: 88” W x 92” L - Fill weight: 40 OzKing: 108” W x 92” L - Fill weight: 50 Oz Related articles How long will it take for my order to arrive? Does the Duvet insert sleep warm? Does Birch offer a wholesale program? Can I wash my Duvet insert? How Can A Mattress with coils be rolled up? Won't that damage the bed?